Adding and Subtracting Numbers

Which is the best equation and answer for estimating 77- 22

• 70 - 20 = 50

• 80 - 20 = 60

• 80 - 25 = 55

• 80 - 30 = 50

Which operation would solve this problem: On Saturday Cooper's Grocery Store sold X newspapers. On Sunday they sold Y newspapers and Monday they sold Q newspapers. How many did the store sell for the weekend?

• add

• subtract

• divide

• multiply

Shane spent $15.45 on a shirt, $21.99 on a pair of pants, and $12.15 on a hat. Which is the best estimate for the amount of money in dollars Shane spent?

• F $40

• H $70

• G $50

• J $60

Landon had one string that was 10 meters long. He used 6.275 meters of this string for a project. What was the length of string in meters that Landon had left?

• F 16.275 m

• G 4.275 m

• H 3.725 m

• J 6.265 m

It rained 0.72 inches on Monday. On Tuesday, it rained 0.34 inches less than on Monday. How much did it rain on Tuesday?

• .37

• .38

• .39

• 1.08

Tucker bought 2.78 pounds of melon and 2.27 pounds of cherries. How much fruit did he buy in all?

• .51

• 5.15

• .52

• 5.05

After buying some bananas for $64.90, Larry has $3.96 left. How much money did Larry have to begin with?

• $65.24

• $65.78

• $68.86

• $63.26

(7 x 100,000) + (3 X 1000) + (7 X 100) + (5 X 10) + (3 X 1) = ________

• 703, 701

• 737,531

• 703, 751

• 703, 753

Mr. Wilfred used a full 2-liter bottle of liquid soap to fill two soap containers. • He put 0.475 liter of soap in the first container. • He put 0.35 liter of soap in the second container. How many liters of liquid soap remained in the bottle?

• 0.825 L

• 0.625 L

• 1.175 L

• 1.49 L

What amount, in dollars and cents, should be in the “Other” category in order for Wanda’s April budget to be balanced?

• 10.31

• 103.05

• 102.50

• 103.00