Bi-weekly test 02/21

Which equation is shown by the model?

• 1.47 - 1.13 = 0.34

• 1.47 - 1.35 = 0.12

• 1.58 - 1.13 = 0.45

• 1.58 - 1.35 = 0.23

Rosabella worked on her science fair project for 2.5 hours on Tuesday and 1.75 hours on Friday. What equation can Rosabella use to find the combined hours she worked on her project Tuesday and Friday?

• 2.5 + 1.75 = 4.25

• 2.5 + 1.75 = 3.25

• 2.5 + 1.75 = 4.00

• 2.5 + 1.75 = 3.75

One caterpillar is 2.15 inches long. Another caterpillar is 1.9 inches long. What is the combined length of the caterpillars?

• 4.05 inches

• 4.00 inches

• 4.25 inches

• 4.10 inches

Does Christopher work make sense? Circle the answers to correctly complete the sentence. Yes, because Christopher regrouped 10 tenths as 1 whole.

• Yes, because Robert regrouped 10 tenths as 1 whole.

• No, because Robert regrouped 10 tenths as 1 hundredth.

• Yes, because Robert regrouped 10 hundredths as 1 tenth.

• No, because Robert regrouped 10 tenths as 1 tenth.

What is the length of the first caterpillar mentioned in the text?

• 2.15 inches

• 1.9 inches

• 2.5 inches

• 1.75 inches

Emma-Jean cuts a piece of rope that measures 8.56 meters from a larger piece of rope that measures 19.55 meters. How much of the larger piece of rope is left?

• 9.01 meters

• 9.99 meters

• 10.99 meters

• 11.01 meters

Jeremiah swam the length of a pool in 32.56 seconds. Amelia swam the length of the pool in 29.4 seconds. How many seconds faster was Amelia time than Jeremiah time?

• 2.16 seconds

• 3.16 seconds

• 3.56 seconds

• 4.16 seconds

What is 7.35 + 37.5?

• 44.85

• 45.85

• 46.85

• 47.85

Lucca found two bicycles he likes. The price of the first bicycle is $73.59. The price of the second bicycle is $98.50. What is the difference in the prices of the bicycles?

• $24.91

• $25.91

• $26.91

• $27.91

Ben has $12. He spends $6.25 on admission to the ice skating rink, $2.95 to rent skates, and $2.65 on a hot chocolate. How much money does Ben have left?

• $0.15

• $0.25

• $0.35

• $0.45