Add and subtract with jumps on an open number line
2nd grade (Year 3 in England) · 16 questions · Common Core: 2.MD.B.6, 2.NBT.B.5 · England: Y2 Addition and subtraction, Y3 Addition and subtraction
Name
Date
Score/ 16
Question 1
Jump back 30, then back 4, from 81. Where do you land? (81 − 34)
Answer
Question 2
The number line shows 3 jumps of +10 and one jump of +2. Which addition is it?
- A. 39 + 23 = 62
- B. 39 + 5 = 44
- C. 39 + 32 = 71
- D. 39 + 30 = 69
Question 3
Jumps of +20 and +7 start at 28. Where do they end? (28 + 27)
Answer
Question 4
Jump back 40, then back 2, from 75. Where do you land? (75 − 42)
Answer
Question 5
The number line shows 3 jumps of +10 and one jump of +4. Which addition is it?
- A. 40 + 30 = 70
- B. 40 + 43 = 83
- C. 40 + 34 = 74
- D. 40 + 7 = 47
Question 6
Jumps of +30 and +3 start at 30. Where do they end? (30 + 33)
Answer
Question 7
Jump back 40, then back 7, from 96. Where do you land? (96 − 47)
Answer
Question 8
The number line shows 3 jumps of +10 and one jump of +3. Which addition is it?
- A. 25 + 30 = 55
- B. 25 + 6 = 31
- C. 25 + 33 = 58
Question 9
Jumps of +40 and +7 start at 45. Where do they end? (45 + 47)
Answer
Question 10
Jump back 30, then back 1, from 71. Where do you land? (71 − 31)
Answer
Question 11
The number line shows 2 jumps of +10 and one jump of +6. Which addition is it?
- A. 35 + 8 = 43
- B. 35 + 62 = 97
- C. 35 + 26 = 61
- D. 35 + 20 = 55
Question 12
Jumps of +20 and +7 start at 19. Where do they end? (19 + 27)
Answer
Question 13
Jump back 40, then back 6, from 75. Where do you land? (75 − 46)
Answer
Question 14
The number line shows 2 jumps of +10 and one jump of +2. Which addition is it?
- A. 24 + 20 = 44
- B. 24 + 22 = 46
- C. 24 + 4 = 28
Question 15
Jumps of +20 and +1 start at 35. Where do they end? (35 + 21)
Answer
Question 16
Jump back 40, then back 7, from 80. Where do you land? (80 − 47)
Answer
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