Estimating Quotients

Tags

CCSS.5.NBT.B.7

To find a number that is close to an exact amount

• exponent

• remainder

• rounding

• estimate

If you estimate the quotient of 8.5 ÷ 2.1 using compatible numbers, what is the estimated quotient?

• 4.0

• 3.5

• 4.5

• 3.0

Tags

CCSS.5.NBT.B.7

Ethan buys a box of 10 pencils for $6.50. He estimates each pencil costs $0.20.
Then he calculates the actual cost to be $0.65. Is this estimate reasonable?

• Reasonable

• Unreasonable

Tags

CCSS.5.NBT.B.7

Sam buys a 64-pack of crayons for $8.00. He estimates each crayon costs $1.00.
He calculates the actual cost to be $0.12. Is this reasonable?

• Reasonable

• Unreasonable

Lacey buys a 5-pack of chocolate bars for $6.25. She estimates each bar costs about $1.20.
She calculates the actual cost to be $1.25. Is this reasonable?

• Reasonable

• Unreasonable