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3-Digit Addition Assessment (Pre/Post Test)

Questions
Grade 3
English

3-Digit Addition Assessment (Pre/Post Test)

3-Digit Addition Assessment

Name: ____________________________ Date: ____________________________ Circle One:    Pre-Test    |    Post-Test
Score
______ / 20


Section 1: Computation (Within 1,000)

Standard: CCSS 3.NBT.A.2 — Fluently add within 1000 using strategies and algorithms based on place value.
Instructions: Solve the following addition problems using the place value grids provided.
1.
H T O
2 4 1
+ 1 3 5

4.
H T O
5 1 7
+ 2 3 5

7.
H T O
4 6 5
+ 2 7 8

10.
H T O
6 0 4
+ 2 9 5

13.
H T O
4 8 0
+ 3 2 0

2.
H T O
4 5 2
+ 2 3 7

5.
H T O
2 8 1
+ 4 4 3

8.
H T O
5 8 9
+ 1 4 6

11.
H T O
3 4 7
+ 5 8 2

14.
H T O
5 5 5
+ 3 4 5

3.
H T O
3 2 6
+ 1 4 8

6.
H T O
3 7 2
+ 1 9 4

9.
H T O
1 2 3
+ 4 5 6

12.
H T O
2 5 9
+ 6 4 1



Section 2: Missing Addends

Standard: CCSS 3.NBT.A.2 — Fluently add within 1000 using the relationship between addition and subtraction.
Instructions: Find the missing number that makes the equation true.
15.

__________

16. __________

17.

__________

18. __________



Section 3: Word Problems

Standard: CCSS 3.NBT.A.2 — Solve multi-step word problems involving 3-digit addition.
Instructions: Read carefully and solve. Show your work.
19. The school library has 342 books about animals and 215 books about space. Today, a donor gave the library 128 more books. How many books does the library have now in total?
Show your work here:
Answer: _____________________
20. On Monday, a baker made 450 cookies. On Tuesday, she made 275 more cookies than she did on Monday. How many cookies did the baker make on Monday and Tuesday combined?
Show your work here:
Answer: _____________________