Estimating Products with Decimals

What is the first step in estimating the product of $2.15 and 16?

• Use a calculator

• Multiply $2.15 by 16 directly

• Round 16 to 15

• Round $2.15 to $2

Tags

CCSS.5.NBT.B.7

When estimating the product of 184 and 0.75, what should 184 be rounded to?

• 180

• 190

• 210

• 200

Tags

CCSS.5.NBT.B.7

How do you handle the zeros in the number 200 when estimating the product of 200 and 0.8?

• Ignore them

• Add them to the final product

• Subtract them from the final product

• Multiply them separately

Tags

CCSS.5.NBT.B.7

What is the purpose of underlining nonzero digits when estimating products?

• To multiply them directly

• To ignore them

• To subtract them from the final product

• To add them to the final product

Tags

CCSS.4.NBT.B.5

How many digits should be behind the decimal in the product of 200 and 0.8?

• None

• Three

• One

• Two

Tags

CCSS.6.NS.B.3

What is the estimated product of 0.667 and 4?

• 2.9

• 2.8

• 2.6

• 2.7

Tags

CCSS.5.NBT.B.7

How many digits should be behind the decimal in the product of 0.667 and 4?

• One

• Three

• Two

• None

Tags

CCSS.6.NS.B.3

What is the rounded value of 0.87 when estimating the product of 0.87 and 412?

• 0.8

• 0.9

• 1.0

• 0.85

Tags

CCSS.5.NBT.B.7

What is the estimated product of 0.87 and 412 after rounding?

• 390

• 370

• 360

• 380

Tags

CCSS.5.NBT.B.7

When estimating the product of 0.87 and 412, what should 412 be rounded to?

• 400

• 420

• 410

• 430

Tags

CCSS.5.NBT.B.7