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Maths · Grade 1 · Set B
Tens and ones, again
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B
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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
What number do the blocks show?
2
How many tens and ones are there?
5 tens and 3 ones3 tens and 5 ones53 tens
3
Count by tens. How many do these rods show?
4
Which blocks show 52?
A
B
C
5
63 is tens and 3 ones.
6
The blocks show 82.
TrueFalse
7
The 5 in 35 means 5 ones.
TrueFalse

Think about it

8
Join each number to its tens and ones.
  1. 161
  2. 216
  3. 360
  • A6 tens and 0 ones
  • B1 ten and 6 ones
  • C6 tens and 1 one
9
Pip has 7 rods and 9 single cubes. How many cubes in all?
10
Pip has 10 loose cubes. What can Pip swap them for?
10 rods1 rod1 flat
11
Put the numbers in order. Smallest first.
  • 27
  • 72
  • 33
12
Write the number: 3 tens and 8 ones.
13
Draw rods and cubes to show 35.
14
Pip says 17 is 7 tens and 1 one. What did Pip mix up? Write it.
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Answer key · Set B
Tens and ones, again
124 2 tens and 4 ones is 24.
25 tens and 3 ones There are 5 rods, which are 5 tens, and 3 cubes, which are 3 ones.
340 Count by tens: 10, 20, 30, 40.
4C 52 is 5 tens and 2 ones. C has 5 rods and 2 cubes.
56 63 has a 6 for 6 tens and a 3 for 3 ones.
6False There are 2 tens and 8 ones. That is 28, not 82.
7True In 35 the 3 is for the tens and the 5 is for the ones.
81-C, 2-B, 3-A
979 7 rods are 70 cubes. Then 9 more: 79.
101 rod Ten ones make 1 ten, the same as one rod.
111, 3, 2 Look at the tens first. 2 tens, then 3 tens, then 7 tens.
1238 3 tens is 30, and 8 more ones is 38.
14Your own words: a grown-up reads it.
Mark each answer, count the right ones and write the score on the sheet.