Estimation and Rounding

What is 89 rounded to the nearest ten?

• 80

• 90

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Estimate the sum of 46 + 13

• 59

• 60

Estimate the sum of 79 + 21.

• 100

• 90

What is 43 rounded to the nearest ten?

• 40

• 50

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Estimate the difference between 65 -12

• 53

• 50

What is 72 rounded to the nearest ten?

• 80

• 70

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Estimate the difference between 22 - 11.

• 11

• 10

Round the number to the nearest 10

21

• 20

• 25

• 30

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Round the number to the nearest 10

87

• 90

• 92

• 83

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Estimate the difference between 15 - 7

• 0

• 10