Unit 5 Math Review

Hannah read 70 pages in a book. Sam read 20 pages in a book.

Which number sentence shows how many more pages Hannah read than Sam?

• 70 + 20 = 50

• 70 + 50 = 20

• 70 - 20 = 50

Melanie used this number sentence to help answer a problem:

42 - 23 = ?

Which problem could Melanie have been answering?

• Melanie had 42 red jelly beans and 23 green jelly beans. How many jelly beans did Melanie have in all?

• Melanie had 23 jelly beans. Her mom gave her 42 more. How many jelly beans does she have now?

• Melanie had 42 jelly beans. She ate 23 of them. How many jelly beans does Melanie have left?

A dance school in Texas taught 327 students in January. In February, 447 more students were taught. How many students were taught by the dance school in January and February?

• 764

• 774

• 814

Julian has 597 coins in his piggy bank. 236 of his coins are nickels and the rest are pennies. How many coins are pennies?

Which number completes the number sentences?

236 + ? = 597

597 - 236 = ?

• 361

• 597

• 833

Evangeline had 164 rocks in a sack. She collected some more rocks at the park. Now she has 209 rocks in the sack.

Which model represents the number of rocks Evangeline collected at the park?

• 
• 
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Collin read 86 pages in his book. The next day he read 39 pages. How many pages did Collin read?

• 47

• 115

• 125

There were 12 red Skittles, 21 green Skittles, 14 yellow Skittles, and 18 purple Skittles in a bag. How many Skittles were there altogether?

• 65

• 55

• 75

Mrs. Tjaden emptied two boxes of pencils into a drawer. The first box had 43 pencils and the second bag had 56 pencils.

43 pencils

56 pencils

How many pencils were in the drawer?

• 13 pencils

• 99 pencils

• 89 pencils

Karma had some Pokemon cards. Alexis gave Karma 57 more Pokemon cards. Now Karma has 112 Pokemon cards. How many cards did Karma have from the start?

• 55

• 145

• 169

Ava-Olivia counted 71 ladybugs in her yard. She put 38 ladybugs in a bag to bring in for show-and-tell. How many ladybugs did she leave in her yard?

• 109

• 33

• 47