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DoDEA 3rd Grade Unit 1 Summative

Last updated over 5 years ago

13 questions

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Question 1

1.

A bakery has 238 cookies to sell. In the first hour they sold 53 cookies. In the second hour they sold 109 cookies. How many cookies does the bakery have left?

76

124

126

136

Question 2

2.

Adam traded baseball cards. He began with 743 cards. He got 32 new cards, and gave away 172 old cards. Write an equation or equations that can be used to model the total number of baseball cards Adam after trading. Find the total amount of baseball cards Adam has after trading? Show your work or explain your answer.

Enter your equation or equations, your answer, and your work or explanation in the space provided.

Question 3

3.

Martin created the number pattern shown.
6, 12, 18, 24, 30, 36
Martin says that he created the pattern by adding the same number each time.

Part A: Describe how to find the number that Martin used to create the pattern.

Question 4

4.

Martin created the number pattern shown.
6, 12, 18, 24, 30, 36

Martin says that he created the pattern by adding the same number each time.

Part B: Can 45 be included in this pattern? Explain why or why not.

Question 5

5.

Choose the three numbers that round to 430 when rounded to the nearest ten.

421

426

431

436

Question 6

6.

Which expressions are equal to the given expression? 157 + 748

Select the three correct answers below.

150 + 755

200 + 700

800 + 90 + 5

100 + 700 + 50 + 40 + 7 + 8 

160 + 750 - 3 - 2 

7 + 8 + 5 + 4 + 1 + 7

Question 7

7.

Look at the addition table.
Describe the pattern created by the highlighted numbers.

Question 8

8.

Round 906 to the nearest 100.

600

900

910

1,000

Question 9

9.

Mr. Haley bought a total of 36 pictures at the art fair, 82 pictures from the store, and 175 pictures from the internet.

Part A:
Mr. Haley says he bought 133 pictures, because 3 + 8 + 1 = 12 tens and 6 + 2 + 5 = 13 ones. 12 tens is the same as 120 ones, and I added 13 ones to equal 133 ones.
Explain the error Mr. Haley made.

Question 10

10.

Mr. Haley bought a total of 36 pictures at the art fair, 82 pictures from the store, and 175 pictures from the internet.

Part B:
What is the total number of pictures Mr. Haley bought?
Show your work.

Question 11

11.

Find the difference between 806 and 521.

Question 12

12.

Heather weighs her puppy each month. The table shows the weight of the puppy for January, February, and March.

If this pattern continues, how much will the puppy weigh during the next two months, April and May?
Explain how you found the puppy’s weight.

Question 13

13.

Martin created the number pattern shown.
6, 12, 18, 24, 30, 36

Martin says that he created the pattern by adding the same number each time.

Part B: Can 45 be included in this pattern? Explain why or why not.