Add and subtract with jumps on an open number line

Question 1

Jumps of +20 and +2 start at 33. Where do they end? (33 + 22)

Answer 

Question 2

The number line shows 2 jumps of +10 and one jump of +4. Which addition is it?

• A. 30 + 24 = 54
• B. 30 + 6 = 36
• C. 30 + 42 = 72
• D. 30 + 20 = 50

Question 3

Jump back 40, then back 2, from 84. Where do you land? (84 − 42)

Answer 

Question 4

Jumps of +20 and +6 start at 39. Where do they end? (39 + 26)

Answer 

Question 5

The number line shows 3 jumps of +10 and one jump of +2. Which addition is it?

• A. 57 + 23 = 80
• B. 57 + 5 = 62
• C. 57 + 32 = 89
• D. 57 + 30 = 87

Question 6

Jump back 30, then back 1, from 84. Where do you land? (84 − 31)

Answer 

Question 7

Jumps of +20 and +1 start at 48. Where do they end? (48 + 21)

Answer 

Question 8

The number line shows 2 jumps of +10 and one jump of +2. Which addition is it?

• A. 52 + 20 = 72
• B. 52 + 22 = 74
• C. 52 + 4 = 56

Question 9

Jump back 40, then back 1, from 76. Where do you land? (76 − 41)

Answer 

Question 10

Jumps of +30 and +6 start at 21. Where do they end? (21 + 36)

Answer 

Question 11

The number line shows 3 jumps of +10 and one jump of +5. Which addition is it?

• A. 29 + 53 = 82
• B. 29 + 35 = 64
• C. 29 + 30 = 59
• D. 29 + 8 = 37

Question 12

Jump back 30, then back 2, from 89. Where do you land? (89 − 32)

Answer 

Question 13

Jumps of +40 and +1 start at 22. Where do they end? (22 + 41)

Answer 

Question 14

The number line shows 2 jumps of +10 and one jump of +6. Which addition is it?

• A. 43 + 8 = 51
• B. 43 + 20 = 63
• C. 43 + 62 = 105
• D. 43 + 26 = 69

Question 15

Jump back 20, then back 3, from 77. Where do you land? (77 − 23)

Answer 

Question 16

Jumps of +40 and +2 start at 29. Where do they end? (29 + 42)

Answer