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Maths · Grade 1 · Set C
Counting on and back to 120
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C
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Goal: 15 min
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Remember: After 119 comes 120. Count on, count back, and count by tens.

Find the number

Count on and count back.

1
What number goes in the box?
2
Pip starts at 104 and counts on 9 more. Where does Pip land?
3
Pip's blocks show a flat and 2 rods. How many is that?
4
One more cube joins these blocks. What number do they show now?
5
Which number is 10 more than 104?
105114204
6
Count back from 116: 116, 115, 114,

Think about it

7
Put these in order. Biggest first.
  • 108
  • 99
  • 103
  • 120
  • 112
8
Counting by tens from 90 goes 90, 100, 110, 120.
TrueFalse
9
Join each set of blocks to its number.
  1. 11 flat and 9 ones
  2. 21 flat and 1 rod
  3. 31 flat and 2 rods
  • A109
  • B110
  • C120
10
What number is missing? 117, 118, ___, 120
119121116
11
The numbers go up by 5: 100, 105, , 115
12
Write how you know that 119 comes just before 120.
13
Draw blocks to show 120.
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Answer key · Set C
Counting on and back to 120
1114 The number below 104 is ten more: 114.
2113 104 and 9 more is 113.
3120 100 and 10 and 10 is 120.
4120 The blocks show 119. One more cube makes 120.
5114 Add one rod, which is ten. 104 and 10 is 114.
6113 One less than 114 is 113.
73, 5, 4, 1, 2 Start with the one furthest to the right.
8True Each number is ten more than the one before.
91-A, 2-B, 3-C A flat is 100, a rod is 10 and a cube is 1.
10119 After 118 comes 119.
11110 Five more than 105 is 110.
12Your own words: a grown-up reads it.
Mark each answer, count the right ones and write the score on the sheet.