25 questions / Basic Addition Addition in the Ones Addition in the Tens Problem Solving Flash Back

Basic Addition

Addition in the Ones

Addition in the Tens

Problem Solving

Flash Back

284

What is 273+11

476

What is 347+129

516

What is 372+144

459

A farmer sold 385 eggs. She had 74 eggs left. How many eggs did she have at first?

112, 122, 132

Count on by tens from 102

495

What is 422+73

241

What is 114+127

625

What is 151+474

819

Andy had 546 stamps. His brother Ryan game him 273 more stamps. How many stamps does Andy have now?

200+50+6=256

What is the expanded form of 256

799

What is 571+228

974

What is 549+425

969

What is 778+191

439

Pia scores 128 points in a computer game. Jahara scores 311 points in the same computer game. How many points do they score in all?

10

How many groups of ten does it take to make 100?

599

What is 158+441

691

What is 457+234

927

What is 654+273

260

Mrs. Jones bakes 150 snacks for a bake sale. Mr. Lim bakes 110 snacks for the bake sale. How many snacks do they bake in all?

three hundred twenty-five

What is the word form of 325

298

What is 271+27

832

What is 729+103

758

What is 293+465

817

One day, 543 cars and 274 buses pass through a toll booth. How many cars and buses pass through the toll booth in all?

554,545,544,455,454

Order these numbers from greatest to least
455, 544, 554, 545, 454

Click to zoom

25 questions / Basic Addition Addition in the Ones Addition in the Tens Problem Solving Flash Back

Basic Addition

Addition in the Ones

Addition in the Tens

Problem Solving

Flash Back

284

What is 273+11

476

What is 347+129

516

What is 372+144

459

A farmer sold 385 eggs. She had 74 eggs left. How many eggs did she have at first?

112, 122, 132

Count on by tens from 102

495

What is 422+73

241

What is 114+127

625

What is 151+474

819

Andy had 546 stamps. His brother Ryan game him 273 more stamps. How many stamps does Andy have now?

200+50+6=256

What is the expanded form of 256

799

What is 571+228

974

What is 549+425

969

What is 778+191

439

10

How many groups of ten does it take to make 100?

599

What is 158+441

691

What is 457+234

927

What is 654+273

260

three hundred twenty-five

What is the word form of 325

298

What is 271+27

832

What is 729+103

758

What is 293+465

817

554,545,544,455,454

Order these numbers from greatest to least
455, 544, 554, 545, 454

Click to zoom

25 questions / Basic Addition Addition in the Ones Addition in the Tens Problem Solving Flash Back

Basic Addition

Addition in the Ones

Addition in the Tens

Problem Solving

Flash Back

38

What is 27+11

26

What is 7+19

42

What is 32+10

29

A farmer sold 5 eggs. She had 14 eggs left. How many eggs did she have at first?

70, 80, 90, 100, 110, 120

Count on by tens from 70 to 120

55

What is 22+33

21

What is 14+7

51

What is 11+40

29

Ben had 16 stickers. His brother Ryan game him 13 more stickers. How many stickers does Andy have now?

20

What number is this? Twenty

49

What is 41+8

44

What is 29+5

49

What is 30+19

28

Pat scores 17 points in a computer game. Jay scores 11 points in the same computer game. How many points do they score in all?

10

How many groups of ten does it take to make 100?

39

What is 18+21

39

What is 7+32

63

What is 40+23

43

Mrs. Brown bakes 10 snacks for a bake sale. Mrs. P bakes 33 snacks for the bake sale. How many snacks do they bake in all?

8+9=17, 9+8=17

What are the addition family members for the number sentence 17-8=9?

48

What is 21+27

33

What is 29+3

63

What is 23+40

44

One day, 24 cars and 20 buses pass through a toll booth. How many cars and buses pass through the toll booth in all?

40, 24, 22, 14, 4

Order these numbers from greatest to least 40, 24, 14, 4, 22

Click to zoom

25 questions / Basic Addition Addition in the Ones Addition in the Tens Problem Solving Flash Back

Basic Addition

Addition in the Ones

Addition in the Tens

Problem Solving

Flash Back

38

What is 27+11

26

What is 7+19

42

What is 32+10

29

A farmer sold 5 eggs. She had 14 eggs left. How many eggs did she have at first?

70, 80, 90, 100, 110, 120

Count on by tens from 70 to 120

55

What is 22+33

21

What is 14+7

51

What is 11+40

29

20

What number is this? Twenty

49

What is 41+8

44

What is 29+5

49

What is 30+19

28

10

How many groups of ten does it take to make 100?

39

What is 18+21

39

What is 7+32

63

What is 40+23

43

8+9=17, 9+8=17

What are the addition family members for the number sentence 17-8=9?

48

What is 21+27

33

What is 29+3

63

What is 23+40

44

40, 24, 22, 14, 4

Order these numbers from greatest to least 40, 24, 14, 4, 22

Click to zoom

25 questions / Basic Addition Addition in the Ones Addition in the Tens Problem Solving Flash Back

Basic Addition

Addition in the Ones

Addition in the Tens

Problem Solving

Flash Back

38

What is 27+11

26

What is 7+19

42

What is 32+10

29

A farmer sold 5 eggs. She had 14 eggs left. How many eggs did she have at first?

70, 80, 90, 100, 110, 120

Count on by tens from 70 to 120

55

What is 22+33

21

What is 14+7

51

What is 11+40

29

20

What number is this? Twenty

49

What is 41+8

44

What is 29+5

49

What is 30+19

28

10

How many groups of ten does it take to make 100?

39

What is 18+21

39

What is 7+32

63

What is 40+23

43

8+9=17, 9+8=17

What are the addition family members for the number sentence 17-8=9?

48

What is 21+27

33

What is 29+3

63

What is 23+40

44

40, 24, 22, 14, 4

Order these numbers from greatest to least 40, 24, 14, 4, 22

Click to zoom

25 questions / Basic Addition Addition in the Ones Addition in the Tens Problem Solving Flash Back

Basic Addition

Addition in the Ones

Addition in the Tens

Problem Solving

Flash Back

38

What is 27+11

26

What is 7+19

42

What is 32+10

19

A farmer sold 5 eggs. She had 14 eggs left. How many eggs did she have at first?

70, 80, 90, 100, 110, 120

Count on by tens from 70 to 120

55

What is 22+33

21

What is 14+7

51

What is 11+40

29

Ben had 16 stickers. His brother Ryan gave him 13 more stickers. How many stickers does Andy have now?

20

What number is this? Twenty

49

What is 41+8

34

What is 29+5

49

What is 30+19

28

10

How many groups of ten does it take to make 100?

39

What is 18+21

39

What is 7+32

63

What is 40+23

43

8+9=17, 9+8=17

What are the addition family members for the number sentence 17-8=9?

48

What is 21+27

32

What is 29+3

63

What is 23+40

44

40, 24, 22, 14, 4

Order these numbers from greatest to least 40, 24, 14, 4, 22

Click to zoom

25 questions / Basic Addition Addition in the Ones Addition in the Tens Problem Solving Flash Back

Basic Addition

Addition in the Ones

Addition in the Tens

Problem Solving

Flash Back

284

Что такое 273+11

476

What is 347+129

516

What is 372+144

459

A farmer sold 385 eggs. She had 74 eggs left. How many eggs did she have at first?

112, 122, 132

Count on by tens from 102

495

What is 422+73

241

What is 114+127

625

What is 151+474

819

Andy had 546 stamps. His brother Ryan game him 273 more stamps. How many stamps does Andy have now?

200+50+6=256

What is the expanded form of 256

799

Что такое 571+228

974

What is 549+425

969

What is 778+191

439

10

How many groups of ten does it take to make 100?

599

158+441

691

What is 457+234

927

What is 654+273

260

Г-жа Джонс печет 150 закусок для продажи выпечки. Мистер Лим печет 110 закусок для продажи выпечки. Сколько закусок они вообще пекут?

three hundred twenty-five

What is the word form of 325

298

What is 271+27

832

Что такое 729+103

758

What is 293+465

817

554,545,544,455,454

Order these numbers from greatest to least
455, 544, 554, 545, 454

Click to zoom

25 questions / Basic Addition Addition in the Ones Addition in the Tens Problem Solving Flash Back

Basic Addition

Addition in the Ones

Addition in the Tens

Problem Solving

Flash Back

38

What is 27+11

26

What is 7+19

42

What is 32+10

29

A farmer sold 5 eggs. She had 14 eggs left. How many eggs did she have at first?

70, 80, 90, 100, 110, 120

Count on by tens from 70 to 120

55

What is 22+33

21

What is 14+7

51

What is 11+40

29

20

What number is this? Twenty

49

What is 41+8

44

What is 29+5

49

What is 30+19

28

10

How many groups of ten does it take to make 100?

39

What is 18+21

39

What is 7+32

63

What is 40+23

43

8+9=17, 9+8=17

What are the addition family members for the number sentence 17-8=9?

48

What is 21+27

33

What is 29+3

63

What is 23+40

44

40, 24, 22, 14, 4

Order these numbers from greatest to least 40, 24, 14, 4, 22

Click to zoom

15 questions / Easy addition A little harder Difficult addition

Easy addition

A little harder

Difficult addition

3

2+1=

8

3+5=

11

7+4=

5

2+3=

6

5+1=

7

4+2+1=

4

1+3=

9

4+5=

12

6+6=

2

1+1=

10

4+6=

5

2+2+1=

4

3+1=

6

4+2=

11

5+6=

Click to zoom

25 questions / Addition to 10 True/False Problem Solving Addition Number Sentence Doubles

Addition to 10

True/False

Problem Solving

Addition Number Sentence

Doubles

What is 10

5 + 5

What is False

1+1=3

What is 4

Ben and Laura were playing in a tree house. Ben had 3 toys. Laura had 1 toy. How many toys did Ben and Laura have altogether?

What is a plus sign, equals sign and at least three numbers

Name two things you must have in an addition number sentence.

What is 2

1+1=

What is 7

3+4

What is True

5+4=9

What is 5

3 crickets were singing under the couch. 2 ladybugs heard them and came to find out what was going on. How many bugs were under the couch?

What is C

@@@ @@
Which addition number sentence goes with the picture?
A. 3+2=3
B. 3+3=6
C. 3+2=5

What is 4

2+2=

What is 10

1+9

What is False

2+8=11

What is 9

Bruce had 8 cards. He was given 1 more. How many cards does he have now?

What is 8

7+1=

What is 6

3+3=

What is 6

2+4

What is True

7+3=10

What is 10

Linnea ate 7 cherries before dinner. After dinner she ate 3 more. How many cherries did Linnea eat altogether?

What is 10

8+2=

What is 8

4+4=

What is 9

7+2

What is True

7=3+4

What is 9

Jenna made 3 pies for Thanksgiving. Sam made 6 more. How many pies did they make altogether?

What is A

@@@@@ @@@
Which addition number sentence goes with this picture?
A. 5+3=8
B. 3+5=9
C. 7+3=10

What is 10

5+5=

Click to zoom

25 questions / Easy 2 Number 3 Number 4 Number Surprise

Easy

2 Number

3 Number

4 Number

Surprise

What is 2+3

5

What is 6+4

10

What is 1+2+3

6

3+2+1+4

10

What is 5+7

12

What is 2+5

7

What is 21+9

30

What is 7+5+6

18

9+1+1+2

13

What is 7+8

15

What is 6+12

18

What is 56+13

69

7+11+3

21

4+7+5+1

17

What is 4+8

12

What is 12+8

20

What is 54+7

61

What is 4+8+11

23

What is 2+2+3+4

11

What is 72+3+4

79

What is 9+1

10

72+30

10

What is 20+4+5

29

What is 4+2+3+5

14

What is 56+8

64

Click to zoom

25 questions / 1 Digit Addition 2 Digit Addition 2 Digit Addition 3 Digit Addition 4 Digit Addition

1 Digit Addition

2 Digit Addition

2 Digit Addition

3 Digit Addition

4 Digit Addition

What is 2

1+2

What is 23

10+13

What is 60

40+20

What is 400

100+300

What is 10,000

1,000+9,000

What is 9

2+7

What is 38

11+27

What is 82

52+30

What is 523

212+311

What is 3,143

1,010+2,133

What is 10

5+5

What is 48

30+18

What is 120

61+59

What is 501

224+277

What is 10,012

3,000+7,012

What is 12

8+4

What is 42

17+25

What is 164

77+87

What is 940

423+517

What is 6,460

2,300+4,160

What is 17

8+7

What is 58

33+25

What is 155

97+58

What is 919

381+538

What is 12,888

4,567+8,321

Click to zoom

12

10

6

15

9

What is 11+ 1

Plus 1

What is 9 + 1 ?

Plus 1

What is 5 + 1 ?

Plus 1

What is 14 + 1?

Plus 1

What is 8 + 1 ?

Plus 1

What is 9 + 3 ?

Plus 3

What is 7 + 3 ?

Plus 3

What is 3 + 3 ?

Plus 3

What is 10 + 5 ?

Plus 5

What is 6 + 3 ?

Plus 3

What is 10 + 2

Plus 2

What is 0 + 10 ?

Plus 10

What is 2 + 4 ?

Plus 4

What is 6 + 9 ?

Plus 9

What is 3 + 6 ?

Plus 6

What is 6+6

Plus 6

What is 5 + 5 ?

Plus 5

What is 0 + 6 ?

Plus 6

What is 7 + 8 ?

Plus 8

What is 4 + 5 ?

Plus 5

What is 6 X 2 ?

Times 2

What is 5 X 2 ?

Times 2

What is 3 X 2 ?

Times 2

What is 3 X 5 ?

Times 5

What is 3 X 3 ?

Times 3

Click to zoom

25 questions / Addition Facts Doubles Plus 1 Adding 3 Numbers More Math Facts Story Problems

Addition Facts

Doubles Plus 1

Adding 3 Numbers

More Math Facts

Story Problems

8

3
+ 5
_____

2 + 1 = 3
or
1 + 2 = 3

What is a double plus 1 number sentence for 1 + 1 = 2?

6

1 + 2 + 3 = _______

7

3
+ 4
____

3 + 5 = 8 baseballs

Jon had three baseballs at home. His mom bought him five more baseballs from the store. How many baseballs does Jon have now?
*Include the number sentence!

8

6
+ 2
____

3 + 4 = 7
or
4 + 3 = 7

What is a double plus 1 number sentence for 3 + 3 = 6?

10

4 + 1 + 5 = ____

16

8
+ 8
____

3 + 4 = 7 puppies

The dog had three boy puppies and four girl puppies. How many puppies did she have all together?
*Include the number sentence!

13

7
+ 6
____

5 + 6 = 11
or
6 + 5 = 11

What is a double plus 1 number sentence for 5 + 5 = 10?

11

6 + 4 + 1 = ____

12

7
+ 5
____

7 + 6 = 13 students

There were seven boys and six girls in the lunch line at school. What is the total amount of students in the lunch line?
* Include the number sentence

16

9
+ 7
____

7 + 8 = 15
or
8 + 7 = 15

What is a double plus 1 number sentence for 7 + 7 = 14?

16

8 + 6 + 2 = ____

15

8
+ 7
____

9 + 6 = 15 candy bars

After a night of trick or treating, the boy had nine kit kats and six snickers. How many candy bars did he have all together?

14

6
+ 8
____

9 + 10 = 19
or
10 + 9 = 19

What is a double plus 1 number sentence for 9 + 9 = 18?

18

7 + 8 + 3 = _____

18

9
+ 9
____

7 + 3 = 10 tickets

Mary had seven tickets in her bag and today she earned three more tickets. How many tickets does she have now?

Click to zoom

25 questions / Addition Doubles Fast Facts Number Bonds Word Problems Subtraction Surprise

Addition Doubles

Fast Facts

Number Bonds

Word Problems

Subtraction Surprise

1+1=2

1+1

2+3=5

2+3

Wow!!

Can you solve the number bond?

There are seven bugs in all!

Five bugs are on a leaf. Two more join. How many bugs are there in all?

10-2 =8

10-2 -

2+2=4

2+2

8+2=10

8+2

Wow!!

Can you solve the number bond?

Eleven students are playing tag.

Ten students are playing tag. One more joins in. How many students are playing tag now?

10-7=3

10-7=

3+3= 6

3+3

4+6=10

4+6

Wow!!

Can you solve the number bond?

6 + 3 = 9

There are some bugs on a leaf. Three more join them. Now there are nine bugs on the leaf. How many bugs were there in the beginning?
---- + 3 = 9

10-6=4

10-6=

4+4=8

4+4

5+4=9

5+4

Wow!!

Can you solve the number bond?

8 + 2 = 10

Some students are playing tag. Two more join them. Now there are ten students playing. How many kids were playing at the beginning?
----- + 2 = 10

10-5=5

10-5=

5+5= 10

5+5

5+2=7

5+2

Wow!!

Can you solve the number bond?

5 + 5 = 10

What is half of ten?

How are addition and subtraction related to each other?

Click to zoom

25 questions / vocabulary 2 digit addition 3 digit addition 4 digit addition 5 digit addition

vocabulary

2 digit addition

3 digit addition

4 digit addition

5 digit addition

What is the identity property

anything plus zero equals the number again

What is 95

66+29

What is 223

123+100

What is 3,000

1,000+2,000

What is 20,000

10,000+10,000

What is estimation

making a smart guess at what the answer of a problem is

What is 60

42+18

What is 650

200+450

What is 3,500

1,250+2,250

What is 26,000

15,000+11,000

What is commutative property

the order of the numbers in a problem does not matter, the answer will stay the same

What is 138

73+65

What is 1,413

778+635

What is 7,369

5,000+2,369

What is 50,000

25,000+25,000

What is associative property?

no matter how you group a set of numbers, the answer will be the same

What is 110

38+72

What is 1,465

826+639

What is 7,714

5,458+2,256

What is 85,000

75,000+10,000

What is regrouping

to move the tens place value number over to the next place value

What is 187

98+89

What is 1,887

998+889

What is 18,888

8,889+9,999

What is 189,998

99,999+89,999

Click to zoom

25 questions / doubles+1 doubles+2 bridge to ten plus 1,2,3 doubles

doubles+1

doubles+2

bridge to ten

plus 1,2,3

doubles

What is 11

5+6=

What is 4

1+3

What is 15

9+6=

What is 4

3+1=

What is 2

1+1=

What is 13

6+7=

What is 6

2+4=

What is 12

8+4=

What is 6

2+4=

What is 6

3+3=

What is 3

1+2=

What is 8

3+5=

What is 12

7+5=

What is 8

2+6=

What is 12

6+6=

What is 15

7+8=

What is 14

6+8=

What is 13

5+8

What is 9

3+6=

What is 14

7+7=

What is 19

9+10

What is 20

9+11

What is 11

2+9

What is 10

3+7=

What is 18

9+9=

Click to zoom

25 questions / +1's +2's +3's +4's +5's

+1's

+2's

+3's

+4's

+5's

What is 5

1+4

What is 5

2+3

What is 3

3+0

What is 4

4+0

What is 6

1+5

What is 2

1+1

What is 6

4+2

What is 5

3+2

What is 5

4+1

What is 8

3+5

What is 4

3+1

What is 2

0+2

What is 8

5+3

What is 6

2+4

What is 5

5+0

What is 6

5+1

What is 9

2+7

What is 9

6+3

What is 8

4+4

What is 7

2+5

What is 10

9+1

What is 10

8+2

What is 10

7+3

What is 10

6+4

What is 10

5+5

Click to zoom

25 questions / adding 1 digit adding 2 digits regrouping 3 digit more regrouping

adding 1 digit

adding 2 digits

regrouping

3 digit

more regrouping

What is 11

5+6

What is 27

12+15

What is 101

46+55

What is 357

123+234

What is 322

105+217

What is 12

4+8

What is 49

15+34

What is 105

39+66

What is 757

622+135

What is 656

378+278

What is 13

7+6

What is 73

22+51

What is 123

77+46

What is 560

204+356

What is 1119

835+284

What is 15

8+7

What is 99

84+15

What is 162

86+76

What is 817

379+438

What is 1568

934+634

What is 17

9+8

What is 98

63+35

What is 142

97+45

What is 942

396+546

What is 1905

937+968

Click to zoom

25 questions / Math Vocabulary Making 10 Adding 0-2 Doubles/Near Doubles Word Problems

Math Vocabulary

Making 10

Adding 0-2

Doubles/Near Doubles

Word Problems

Two numbers that are the same are added.

What is a doubles fact?

4

6 + ______ = 10

4

Zero added to any number is the same as the original number

4+0=________

Explain your answer.

8

8 + _____= 16

8 +2= 10

2 + 8 = 10

Tim picked 8 apples. Kate picked 2 more. How many apples are there in all?

Flip flop the addition sentence and tell us the turn-around fact.

1+1=2

2+2=4

3+3=6

4+4=8

5+5=10

6+6=12

7+7=14

8+8=16

9+9=18

10+10=20

Give an example of a doubles fact.

3 + 2 = 5

5+ 5 = 10

10 is the sum

Pete has 5 red apples. He also has 3 bananas and 2 pears. How many pieces of fruit does Pete have in all?

11

10 + 1 = ___________

5

8

_____+ 5 = 10

7 + _____ = 15

8 +8=16

Jose has 8 stars. Monica has the same amount of stars. How many stars do they have in all?

3 and 4 are the two parts (groups).

7 is the whole. The two parts together make a whole.

3+4=7

Explain part, part, whole using the example.

1 + 9 = 10

There are 9 frogs in a pond. 1 more frog join them. How many frogs are there in all?

2 + 9 = 11

There are 2 red buttons and 9 blue buttons. How many buttons are there in all?

7

9

7 +_______=14

8 + ______ = 17

4 + 0 = 4

Emily has 4 cats. Troy does not have any cats. How many cats do Emily and Troy have in all?

3 and 8 are the addends because they are the two numbers being added.

The sum is 11 because it is the answer.

3 + 8 = 11

What are the addends in this problem? What is the sum? Explain.

6

8

4 + ________ = 10

2 + ________ = 10

0

______ + 8 = 8

Explain your answer.

6 + 6 =12

Jeff bought 6 apples. Jim bought the same number of apples. How many apples did they buy in all?

8 + 4 = 12

Ray has 8 green marbles and 4 blue marbles. How many marble does Ray have in all?

This is a near doubles fact. These facts are all doubles plus 1 and they are near to a double fact.

This is a doubles fact because the two numbers that are being added are the same.

6 + 7 = 13

What type of fact is this and explain how you know.

6 + 6 = 12

What type of fact is this and explain how you know.

8 + 2 = 10

Rita has 8 marbles. She finds 2 more marbles. How many marbles does Rita have in all?

11 + 2 = 13

Julia has 11 dolls. Then she made 2 more dolls. How many dolls does Julia have in all?

No. 8 and 9 are not the same number. In a doubles fact, both numbers being added are the same. This is a near doubles fact.

Is 8 +9 = 17 a doubles fact? Explain. if not, what type of fact is it?

8+8=16

David has 8 chocolate bars. Daniel has the double of what David has. How many chocolate bars does Daniel have?

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25 questions / Doubles Doubles + 1 Adding 8 Make a 10 Addition with 3's

Doubles

Doubles + 1

Adding 8

Make a 10

Addition with 3's

4

2+2

3

1+2

9

1+8

10

1+9

5

2 + 3

6

3+3

5

2+3

11

3+8

12

3+9

7

4 + 3

12

6+6

9

4+5

13

5+8

13

4+9

9

6 + 3

16

8+8

15

7+8

15

7+8

15

6+9

11

8 + 3

18

9+9

17

8+9

17

9+8

17

8+9

12

9 + 3

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1

2

3

4

5

2

What is 1+1

22

11+11

222

111+111

2222

1111+1111

22222

11111+11111

4

2+2

24

12+12

444

222+222

4444

2222+2222

44444

22222+22222

6

3+3

26

13+13

666

333+333

6666

3333+3333

66666

33333+33333

8

4+4

28

14+14

888

444+444

8888

4444+4444

88888

44444+44444

10

5+5

30

15+15

1110

555+555

11110

5555+5555

111110

55555+55555

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25 questions / 1 位数 2 位数 2 位数 3 位数 4 位数

1 位数

2 位数

2 位数

3 位数

4 位数

What is 2

1+2

What is 23

10+13

What is 60

40+20

What is 400

100+300

What is 10,000

1,000+9,000

What is 9

2+7

What is 38

11+27

What is 82

52+30

What is 523

212+311

What is 3,143

1,010+2,133

What is 10

5+5

What is 48

30+18

What is 120

61+59

What is 501

224+277

What is 10,012

3,000+7,012

What is 12

8+4

What is 42

17+25

What is 164

77+87

What is 940

423+517

What is 6,460

2,300+4,160

What is 17

8+7

What is 58

33+25

What is 155

97+58

What is 919

381+538

What is 12,888

4,567+8,321

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25 questions / Adding by 1s Adding by 2s 3 4 Doubles

Adding by 1s

Adding by 2s

3

4

Doubles

What is 3?

2 + 1

What is 4

2 + 2

What is 4

3 + 1

What is 5

4 + 1

What is 2

1 + 1

What is 4

3 + 1

What is 5

3 + 2

What is 5

3 + 2

What is 7

4 + 3

What is 6

3 + 3

What is 5?

4 + 1

What is 7

5 + 2

What is 8

3 + 5

What is 8

4 + 4

What is 10

5 + 5

What is 8

7 + 1

What is 10

8 + 2

What is 10

3 + 7

What is 10

4 + 6

What is 16

8 + 8

What is 10

9 + 1

What is 11

9 + 2

What is 12

3 + 9

What is 13

4 + 9

What is 18

9 + 9

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