Lesson 18 Session 5

1.) Students in Miss Kemp's class earned 1 point for each page they read. A student who earns 300 points gets a prize. Elise reads 8 pages a day for 7 days in a row. How many more points does she need to get a prize?

Tags

CCSS.3.OA.D.8

2.) Emry has 243 stamps from the United States in her collection. She has 58 stamps from other countries. Emry puts 129 of her stamps in a scrapbook. She solves this equation:

243 + 58 - 129 = s.

Emry says, "There are 172 stamps NOT in the scrapbook." Is her answer reasonable?

• Yes, Emry's answer is reasonable.

• No, Emry's answer is not reasonable.

Tags

CCSS.3.OA.D.8

3.) In the morning, 134 books are checked out from the library. In the afternoon, 254 books are checkout, and 118 books are checked out in the evening. How many books in all are checked out from the library on this day?

• 270

• 388

• 496

• 506

Tags

CCSS.3.OA.D.8

4.) Which equation CANNOT be used to solve the problem below?

Rosa and Brett are the only two people in a school election. Rosa gets 314 votes in the election. She gets 18 more votes than Brett. How many people voted in the election?

• 314 + (314 - 18) = n

• n = 314 + (314 - 18)

• (314 - 18) + 314 = n

• 314 + (314 + 18) = n

Tags

CCSS.HSA.CED.A.3

5.) George estimates that 800 people voted in the election in problem 4. Which mistakes could he have made?

• George rounded 18 down to 10 instead of up to 20.

• George rounded 314 up to 320 instead of down to 310.

• George rounded 314 up to 400 instead of down to 300.

• George rounded 18 up to 100 instead of down to 0.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

6.) A produce manager unpacks 108 bananas. There are 9 bunches of 4 bananas each. The rest are single bananas. Which pairs of equations can be used to find the number of single bananas?

Tags

CCSS.HSA.CED.A.3

7.) Greg is packing a book order. He has already packed 3 boxes with 5 books in each box. There are 210 books left to pack. How many books are in the whole order?

Tags

CCSS.3.OA.D.8