Worksheet: Counting Forward and Backward within 120

In this worksheet, we will practice counting to 120 in ones from any starting number and completing the missing numbers in a count sequence.

Q1:

Find the missing numbers.

  • A100, 113
  • B98, 113
  • C98, 111

Q2:

Find the missing number in the following table.

1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
101 102 103 104 105 106 107 108 109 110
111 112 113 114 115 116 118 119 120

Q3:

Find the missing number in the following table.

1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
81 82 83 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
101 102 103 104 105 106 107 108 109 110
111 112 113 114 115 116 117 118 119 120

Q4:

Find the missing numbers in the following table.

1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
81 82 83 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
101 102 103 104 105 106 107 108 109 110
111 112 113 114 115 116 118 119 120
  • A74, 107
  • B84, 117
  • C85, 17
  • D84, 107
  • E74, 117

Q5:

Write the missing number in the following sequence: 100,,102,103,104,105,106,107,108,109,110.

Q6:

Find the number between 101 and 103.

Q7:

Find the number that is one more than 115 and one less than 117.

Q8:

Start at 102. Count on 7. What do you get?

Q9:

Natalie and Emma were counting numbers. Natalie counted the numbers 99, 100 and 101. Which three numbers will Emma count to continue the sequence?

  • A103, 104, 105
  • B102, 103, 114
  • C112, 113, 114
  • D102, 103, 104
  • E112, 113, 115

Q10:

Chloe and Victoria are counting. Chloe says 100, 101, 102, 103, 104, 105, while Victoria says 100, 101, 102, 103, 104, 106. Who is correct?

  • AVictoria
  • BChloe

Q11:

Matthew gave his friends 102 pieces of candy, and he gave his brother 12 pieces. Using the chart to count, find the total number of candy pieces Matthew had before giving them away.

100 101 1 0 2 103 104 105 106 107 108 109
110 111 112 113 114 115 116 117 118 119

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