Adding Tens

Adding Tens

Adding Ones

Adding Tens and Ones

Adding Multiples of 10

Look for a Pattern

100

Add using mental math.
20 + 42 =

62

100

Add the ones. Use mental math.
17 + 4 =

21

100

Add using mental math.
41 + 24 =

65

100

Add using mental math.
50 + 30 =

80

100

Find the PATTERN and the NEXT 2 NUMBERS:
65, 55, 45

-10
35, 25

200

Add using mental math.
53 + 30 =

83

200

Add the ones. Use mental math.
38 + 5 =

43

200

Add using mental math.
53 + 15 =

68

200

Add using mental math.
20 + 30 =

50

200

Find the PATTERN and the NEXT 2 NUMBERS:
2, 7, 12

+5
17, 22

300

Add using mental math.
35 + 40 =

75

300

Add the ones. Use mental math.
49 + 3 =

52

300

Add using mental math.
62 + 25 =

87

300

Add using mental math.
20 + 50 =

70

300

Find the PATTERN and the NEXT 2 NUMBERS:
10, 20, 30

+10
40. 50

400

Add using mental math.
50 + 19 =

69

400

Find the missing number that will make the next ten.
53+ = 60

7

400

Add using mental math.
43 + 36 =

79

400

Add using mental math.
40 + 60 =

100

400

Find the PATTERN and the NEXT 2 NUMBERS:
2, 4, 6

+2
8, 10

500

Nellie had 14 rubber bands. Then she bought a pack of 30 rubber bands. How many rubber bands does Nellie have now?

44

500

Janna made a necklace using 18 beads. Leah made a necklace using only 9 beads. How many bead did the girls use in all?

27

500

Tad has 72 seashells. He finds 15 more shells. How many seashells does Tad have in all?

87

500

A year ago, Ray's puppy weighed 10 pounds. Now his puppy weighs 40 pounds more. How much does Ray's puppy weigh.

50 pounds

500

Patty made 4 headbands last week. She made 8 this week. Next week, she will make 12. What is the pattern? How many headbands with Patty make the following week?

+4
Patty will make 16 headbands the following week.

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