Math 3.15/17

Math 3.15/17

Multiple Select

Which facts are in the fact family for 6, 8, and 14?

Select all answers that are correct.

• 6 + 8 = 14

• 8 + 6 = 14

• 8 + 8 = 16

• 6 + 6 = 12

Multiple Select

Which facts are in the fact family for 14, 42, and 56?

Select all answers that are correct.

• 42−28=14

• 56−14=42

• 56−42=14

• 42−14=28

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Multiple Choice

Show a way to add 59 + 22.

(59 + ___) + ___

• (59 + 1) + 21

• (59 + 5) + 21

• (59 + 22) + 1

• (59 + 81) + 22

​59 + 22 = 71

(59 + 1) + 21

​60 + 21

​71

Multiple Choice

Which answer shows a way to add 47 + 51?

• 4 + 5 + 7 + 1

• 40 + 50 + 7 + 1

• 40 + 50 + 70 + 10

• 70 + 10 + 4 + 5

​47 + 51 = 98

​40 + 50 + 7 + 1

​7 + 1 = 8

​40 + 50 = 90

​90 + 8 = 98

Multiple Choice

Which answer shows a way to subtract 46 − 14?

• (40−10)−4

• (46−10)−4

• (46+10)+4

• (46+10)−4

​46 - 14 = 32

​

​(46−10)−4

​46 - 10 = 36

​36 - 4 = 32

Multiple Choice

Which answer shows a way to subtract 86−25?

• 60−(26−25)

• 86−(25−20)

• 60+(26−25)

• 86−(26−25)

​86 - 25 = 61

​

​

​60 + 26 - 25

​60 + (26 - 25)

​26 - 25 = 1

​60 + 1 = 61

Poll

Where are you at with our learning goal?

I can add and subtract using fact families.