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Maths · Grade 1 · Set C
Tens and ones, one more step
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C
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Goal: 15 min
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Remember: Count the tens, then the ones. Ten ones make a ten.

Read the blocks

A rod is one ten. A cube is one one.

1
How many cubes in all?
2
Which number do the blocks show?
2099229
3
Pip adds 1 more rod. What number do the blocks show now?
4
Pip takes 1 rod away. What number is left?
5
Pip has 3 rods and 12 cubes. Pip swaps 10 cubes for 1 rod. What does Pip have now?
3 rods and 2 cubes4 rods and 2 cubes4 rods and 12 cubes
6
3 tens and 15 ones make .

Compare and think

7
Which has more?
A
B
8
Pip says 49 is more than 51 because 9 is more than 1. Is Pip right?
YesNo
9
Join each digit to what it means.
  1. 1the 7 in 73
  2. 2the 3 in 73
  3. 3the 0 in 70
  • A3 ones
  • B7 tens
  • C0 ones
10
Put these in order. Smallest first.
  • 66
  • 16
  • 61
  • 19
11
20 ones make 2 tens.
TrueFalse
12
Draw rods and cubes to show 47.
13
Show how you know 3 tens and 14 ones is the same as 4 tens and 4 ones.
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Answer key · Set C
Tens and ones, one more step
185 8 tens and 5 ones is 85.
229 2 tens and 9 ones is 29.
354 The blocks show 44. One more rod is ten more: 54.
463 The blocks show 73. Take one rod away and 63 is left.
54 rods and 2 cubes 10 of the 12 cubes make a new rod. That leaves 4 rods and 2 cubes.
645 3 tens is 30. 30 and 15 more is 45.
7B Look at the tens first. B has 5 tens and A has 4 tens, so B is 51 and A is 49.
8No Compare the tens first. 5 tens is more than 4 tens.
91-B, 2-A, 3-C In 73 the 7 is for tens and the 3 is for ones. In 70 the 0 is for ones.
104, 1, 3, 2 Look at the tens first. 1 ten comes before 6 tens. Then look at the ones.
11True Every 10 ones make a ten, so 20 ones make 2 tens.
13Your own words: a grown-up reads it.
Mark each answer, count the right ones and write the score on the sheet.