Word Problems
Make a 10
Unknown Addend
10 As a Unit
Equivalent Equations
100

Jiaen went to the park and saw 6 red birds and 4 blue birds. How many birds did Jiaen see in total?

Jiaen saw 10 birds. 

6+4=10

100

7+6 = _____

Write 2 equations to show how you would make a 10 to solve. 

7+3=10

10+3=13

OR

6+4=10

10+3=13

100

Solve for the unknown: 

6+_____=12

6
100

What number is 1 ten and 9 ones?

19

100

True or false?

5+7 = 8+9

False

200

The meteorologist forecasted there will be 7 inches of rain on Saturday and 9 inches of rain on Sunday. How many total inches of rain will there be on the weekend? 

There will be a 16 inches of rain. 

7+9=16

200

5+9 = _____

Write 2 equations to show how you would make a 10 to solve. 

5+5=10

10+4=14

OR

9+1=10

10+4=14

200

Solve for the unknown: 

_____+5=13

8

200

What number is 1 ten and 0 ones? 

10

200

True or false?

8+6=7+7

True

300

My uncle planted 10 peppers in his garden. He harvested 3 peppers to eat for dinner. How many peppers are left in the garden? 

There are 7 peppers left in the garden. 

10-3=7

300

8+8 = _____

Write 2 equations to show how you would make a 10 to solve.

8+2=10

10+6=16

300

Solve for the unknown: 

6+_____=15

9

300

How do you write 17 in tens and ones? 

1 ten 7 ones

or

10+7

300

What number do you need to make this equality true?

10+_____ = 8+8

6

10+6=8+8

400

Ivanka went to the supermarket to buy groceries. She had 14 dollars. She bought some carrots and rice for 7 dollars. How many dollars does Ivanka have left? 

Ivanka has 7 dollars left. 

14-7=7

400

15+6 = _____

Write 2 equations to show how you would make a 10 to solve. 

15+5=20

20+1=21

400

Solve for the unknown: 

10+_____=17

7

400

How do you write 13 in tens and ones? 

1 ten 3 ones 

or

10+3

400

What number do you need to make this equality true? 

6+_____ = 15 - 4

5

6+5=15-4

500

Eric has a 24 page Pokémon book. He read 14 pages on Tuesday, and the rest of the pages on Thursday. Eric finished the book and was very happy. How many pages did Eric read on Thursday? 

Eric read 10 pages on Thursday. 

14+ ___ = 24

14+10=24

500

18+5 = _____

Write 2 equations to show how you would make a 10 to solve. 

18+2=20 

20+3=23

500

Solve for the unknown: 

9+_____ = 21

12

9+12=21

500

How many tens are in the number 35?

3 tens

500

What number do you need to make this equality true? 12+5=20 - ___

3

12+5=20-3