Unit 1 - Estimating Products (6)

What estimation equation is best for 48 × 31?

• 40 x 30

• 50 x 30

• 40 x 35

• 45 x 30

Tags

CCSS.4.NBT.B.5

Which statement is true about the estimate of 32 × 66?

• greater than 2,800

• less than 1,800

• greater than 1,800 but less than 2,100

• less than 2,100 and less than 1,800

Tags

CCSS.4.NBT.B.5

What estimation equation is best for 386 × 8?

• 400 x 10

• 400 x 8

• 300 x 10

• 300 x 8

Tags

CCSS.4.NBT.B.5

Which estimate is closest to the product of 228 × 48?

• 10,000

• 1,000

• 8,000

• 8,800

Tags

CCSS.4.NBT.B.5

Which equation would have an estimate of 3,600?

• 65 x 69

• 45 x 92

• 882 x 4

• 668 x 5

Tags

CCSS.4.NBT.B.5

Which product would be less than 28 × 53?

• 20 x 106

• 25 x 60

• 24 x 54

• 14 x 106

Tags

CCSS.4.NBT.B.5