5.CE.3 Estimation

Amanda gave the cashier a $10 bill to pay for 6 binders, which cost $5.78 each. What is the best method to determine approximately how much change Amanda should receive back?

• Multiply 5 by 6, then subtract that product from 10

• Multiply 5 by 6, then subtract 10 from that product

• Multiply 6 by 6, then subtract that product from 10

• Multiply 6 by 6, then subtract 10 from that product

James was completing a science experiment. She had 6 cups, each filled with 2.7 milliliters of a solution. He dumped all 6 cups into a beaker. Unfortunately, 3.025 milliliters leaked out of the beaker. How much of the solution is the beaker holding now?

The girl's volleyball team is ordering new uniforms. Jerseys cost $20.37 each and shorts cost $14.52 each. Which is closest to the total cost if they ordered 13 complete uniforms?

• $400

• $430

• $450

• $460

Estimate the product of 4.9 and 3.6

SOLVE:

4.2 ÷ 4

• 1.05

• 1.50

• 15.0

• 150

A farmer scoops rain out of his trailer after a rainstorm. If the container he uses to scoop water can hold 3.6 liters, which is closest to the total amount of water in liters, will he remove it with 6 scoops?

• 20

• 21

• 18

• 19

Khloe and four friends went out to eat for dinner. The total cost of their meal was $63.91. If each person paid an equal amount, how much did Khloe pay?

• $34.54

• $12.78

• $319.55

• $15.98

It cost Betty $4.65 to buy 5 rulers. Each ruler costs the same amount.

How much does one ruler cost? ​ ​ (a)  

It cost Betty #3.28 to buy 4 rules. Each ruler costs the same amount.

How much does one ruler cost? ​ (b)  

• $0.93
• $0.82
• $0.85
• $0.92
• $0.95

SOLVE:

0.35 x 8

• 280

• 0.28

• 28

• 2.8