Making a Ten: Adding Two-Digit and One-Digit Numbers

What is 36 + 7?

• A) 42

• • B) 43

• • C) 44

• • D) 45

28 + ___ = 30

36 + 4 = 40

• True
• False

Which of these sums equals 40? (Choose all that apply.)

• • A) 36 + 4

• • B) 28 + 12

• • C) 30 + 10

• • D) 25 + 15

Which number will you add to 25 to make 30?

• • A) 3

• • B) 4

• • C) 5

• • D) 6

29 + ___ = 35

What is 37 + 5 after making a ten?

• • A) 40

• • B) 42

• • C) 43

• • D) 45

Making a ten means breaking apart numbers to reach the nearest ten.

• True
• False

38 + ___ = 40

Which problems would you solve by making a ten? (Choose all that apply.)

• • A) 27 + 6

• • B) 45 + 9

• • C) 30 + 5

• • D) 38 + 7