# 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.

**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: .

**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 | 103 | 104 | 105 | 106 | 107 | 108 | 109 | |

110 | 111 | 112 | 113 | 114 | 115 | 116 | 117 | 118 | 119 |