Unit 3 Review

Unit 3 Review

Addition, Subtraction, Word Problems and Rounding

Round these number to the nearest multiple of 10

• 62

• 159

Multiple Choice

What was 62 rounded to the nearest ten?

• 50

• 70

• 60

• 63

Multiple Choice

What was 159 rounded to the nearest multiple of 10?

• 160

• 150

• 200

• 100

Find the sum.

428 + 273

Multiple Choice

What is the sum of 428 + 273?

• 691

• 701

• 711

• 601

Find the difference.

541-125

Multiple Choice

What is the difference of 541-125?

• 424

• 426

• 420

• 416

Solve the problem

Diego has a collection of 225 baseball cards. He gets 35 more cards from a friend, then sells 42 cards. How many cards does Diego have now?

Multiple Choice

How many cards does Diego have now?

• 302 cards

• 218 cards

• 232 cards

• 190 cards

Fill in the Blanks

Diego has a collection of 225 baseball cards. He gets 35 more cards from a friend, then sells 42 cards.

Priya thinks that Diego has about 200 cards. Do you agree or disagree? Why?

Adult tickets to the aquarium cost 59 dollars. If Frank buys 3 adult tickets. About how much will Frank spend on tickets?3

Round to the nearest tens place.

Multiple Choice

Frank will spend about...

• 59 dollars

• 120 dollars

• 60 dollars

• 180 dollars

Child tickets to the aquarium cost 39 dollars. If Frank buys 2 child tickets. About how much will Frank spend on tickets?

Round to the nearest tens place.

Multiple Choice

Frank would spend about

• 80 dollars

• 40 dollars

• 41 dollars

• 36 dollars

If Frank buys 3 adults tickets at about 60 dollars each and 2 child tickets at about 40 dollars each, about how much would he spend on tickets all together?

Use your work from the last two questions to help you.

Multiple Choice

Frank would spend about...

• 500 dollars

• 100 dollars

• 260 dollars

• 200 dollars

Clare was counting her steps walking from home to the bus stop. She walked 252 steps, then went back 92 steps to pick up something she dropped, then walked another 203 steps to arrive at the bus stop. How many steps is it from Clare’s house to the bus stop?

Multiple Choice

How many steps did it take for Clare to get to the bus stop?

• 353 steps

• 547 steps

• 141 steps

• 455 steps