Add within 20
Break it Apart
Number line
Addition strategies
Word problems
100

7+5=

12

100

 Break 36 into tens and ones.

30+6

100

Start at 25. Jump forward 10. Where do you land?

35

100

Which doubles fact can help you solve 7 + 8?

7+7

100

Leo has 20 crayons. His teacher gives him 14 more. How many crayons does Leo have?

34 crayons

200

8+9

17

200

 Break 58 into tens and ones.

50+8

200

Start at 43. Jump forward 20. Where do you land?

63

200

What is 6 + 6 + 4?

16

200

 Emma has 32 stickers. Her friend gives her 25 more. How many stickers does she have now?

 57 stickers

300

Use a doubles fact to solve 6 + 7. What is the sum?

13

300

 To solve 34 + 25, break 25 into tens and ones.

20+5


59

300

Start at 32. Jump forward 10, then 6. Where do you land?

48

300

To make 29 + 34 easier, change 29 to what friendly number?

30

300

There are 27 students on one bus and 36 students on another bus. How many students are there altogether?

 63 students

400

Make a 10 to solve 8 + 6. What is the sum?

14

400

 Solve by breaking apart the numbers: 42 + 35.

77

400

 Use a number line to solve 46 + 23.

69

400

You changed 39 to 40 to solve 39 + 26. After adding, what must you do?

subtract 1

400

Jansen reads 28 pages Monday and 35 pages Tuesday. How many pages does he read altogether?

 63 pages

500

Ava says 9 + 7 = 15. Is Ava correct? If not, give the correct sum.

9 + 7 = 16

500

56 + 32 = (50 + ___) + (6 + ___)

30, 2

500

Start at 38. Make 4 jumps of 10 and then 1 jump of 5. Where do you land?

83

500

Solve 49 + 27 by adjusting an addend.

76

500

Sophia has 24 beads. She gets 18 more beads and then 15 more beads. How many beads does she have altogether?

 57 beads

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