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Third grade unit 2 Math test
  • 1. 3+ ___= 12
A) 9
B) 15
C) 8
  • 2. 30+ ___=120
A) 90
B) 100
C) 150
  • 3. 300+ ___=1200
A) 1000
B) 900
C) 1500
  • 4. 17-8=____
A) 25
B) 8
C) 9
  • 5. 27-8=____
A) 19
B) 20
C) 35
  • 6. 57- 8=____
A) 65
B) 50
C) 49
  • 7. Use the picture. What number comes in the first blank box after74?
A) 84
B) 64
C) 54
  • 8. Use the picture. What number comes in the second blank box after 54?
A) 64
B) 44
C) 34
  • 9. Use the picture. What number comes in the last blank box BEFORE 24?
A) 34
B) 14
C) 54
  • 10. Use the picture. What is the missing rule?
A) x3 or triple
B) -2
C) x2 or double
  • 11. Use the picture. What number goes in the first blank box after 8?
A) 24
B) 16
C) 6
  • 12. Use the picture. What number goes in the last blank box BEFORE 64?
A) 14
B) 48
C) 32
  • 13. Write a number model with a ? to go with the story problem.
A) 56+20 = ?
B) 20 + ? =56
  • 14. What is the correct answer or what goes in place of your question mark?
A) 76
B) 36
  • 15. Which explanation is correct?
A) The minutes on Sunday are less than the total minutes. 36 makes the number model true.
B) 76 is the total number of minutes for Saturday and Sunday.
  • 16. Write a number model with a ? to go with story problem.the
A) 31-19 = ?
B) 31+19 =?
  • 17. What is the correct answer or what goes in place of your question mark?
A) 12
B) 50
  • 18. Which explanation is correct?
A) We need to add the number of both python clutches together to find out the difference. When added together, the total would be 50.
B) The difference is smaller than the larger clutch. 12 makes the number model true.
  • 19. Use the picture shown to explain if the model fits the story.
A) No this is not a good explanation. Although the picture shows the two packs of pencils Mr. Riley has, we need to add on 4 pencils not cross them out to show he gave them away.
B) Yes, it is a good explanation because Mr. Riley had 3 packs of 5 pencils eachand 2 x 5 =10. Then he gave 4 of them away and 10- 4 = 6.So he has 6 pencils left.
  • 20. Use the picture. Which number sentence correctly represents the problem?
A) 5 x 5
B) 5 + 5
  • 21. What is the correct answer to the problem that we WOULD use to represent this problem?
A) 10
B) 25
  • 22. How should we get the correct answer to this problem?
A) Skip count by 5s to get 25.
B) Use our hands to add 5 fingers plus another 5 fingers.
  • 23. How should we draw an array for this problem?
A) Put an x on 9 dots on the top row and then do it again on the second row.
B) Put an x on 2 dots and then but an x on 9 more dots.
  • 24. Which number model fits this story?
A) 2 + 9 = ?
B) 2 x 9 = ?
  • 25. If you CORRECTLY represented this problem with an array, what would the answer be?
A) 11
B) 18
  • 26. How could you represent a picture of 20 marbles being shared equally among 5 friends?
A) 25 marbles
B) 5 groups with 4 marbles in each group
  • 27. Each friend would get how many marbles?
A) 4 marbles
B) 5 marbles
  • 28. How many marbles would be left over?
A) 1 marble
B) 0 marbles
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