Use Strategies to Add Tens and Ones

Use Strategies to Add Tens and Ones

Multiple Choice

Which of the expressions could be used to help you solve 35 + 44?

• 3 + 5, 5 + 4, so…8 + 9 = 17

• 30 + 50, 50 + 40, so…80 + 90 = 170

• 30 + 50, 40 + 40, so…80 + 80 = 160

• 30 + 40, 5 + 4, so…70 + 9 = 79

• 30 + 5, 40 + 4, so…35 + 44 = 79

Multiple Choice

What is the sum of 52 + 6?

Which shows the way to solve using tens frames?

Multiple Choice

A base ten quick picture of a problem is shown. Use the model to help you solve and select the correct answer.

• 29 + 12 = 51

• 29 + 12 = 59

• 29 + 12 = 41

• 39 + 12 = 39

• 30 + 11 = 41

Multiple Choice

Which of the expressions could be used to help you solve 36 + 58?

• 30 + 50, 6 + 8, so…80 + 14 = 94

• 3 + 5, 6 + 8, so…8 + 12 = 20

• 30 + 50, 6 + 8, so…80 + 10 = 90

• 3 + 6, 5 + 8, so…9 + 13 = 22

• 30 + 50, 6 + 8, so…80 + 12 = 92

Multiple Choice

What is the sum of 16 + 7?

Prove your answer on the number line below.

• 24

• 23

• 22

• 9

• 21

Multiple Choice

What is the sum of 27 + 9?

Draw a base-ten model to help you solve.

• 36

• 26

• 35

• 34

• 19

Multiple Choice

Find the sum of 68 + 26.

Use the open number line to prove your answer.

• 93

• 94

• 68

• 84

• 83

Multiple Choice

Which of the expressions could be used to help you solve 25 + 63?

• 20 + 5, 60 + 3, so…25 + 63 = 88

• 20 + 60, 5 + 3, so…80 + 8 = 88

• 20 + 60, 50 + 30, so…80 + 80 = 160

• 2 + 6, 5 + 3, so…8 + 8 = 16

• 20 + 50, 60 + 30, so…70 + 90 = 160

Multiple Choice

Find the sum of 27 + 13.

Use the open number line to prove your answer.

• 37

• 40

• 50

• 43

• 47

Multiple Choice

What is the sum of 41 + 5?

Which shows the way to solve using tens frames?

Multiple Choice

What is the sum of 37 + 8?

Draw a base-ten model to help you solve.

• 35

• 45

• 48

• 18

• 55

Multiple Choice

Which of the expressions could be used to help you solve 33 + 29?

• 30 + 20, 3 + 9, so…50 + 10 = 60

• 3 + 3, 2 + 9, so…6 + 11 = 17

• 30 + 30, 20 + 90, so…60 + 12 = 72

• 3 + 2, 3 + 9, so…5 + 12 = 17

• 30 + 20, 3 + 9, so…50 + 12 = 62

Multiple Choice

What is the sum of 23 + 6?

Prove your answer on the number line below.

• 23

• 28

• 29

• 30

• 17

Multiple Choice

A base ten quick picture of a problem is shown. Use the model to help you solve and select the correct answer.

• 27 + 34 = 67

• 27 + 34 = 71

• 57 + 34 = 61

• 27 + 34 = 61

• 50 + 11 = 61

Poll

Let’s Reflect on Our Learning!

How comfortable do you feel: using strategies to add tens and ones?