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Maths · Grade 2 · Set A
Ten tens make a hundred
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Remember: Ten tens make a hundred. Each digit says how many of its place: hundreds, tens and ones.

Read the blocks

A flat is 100. A rod is 10. A cube is 1.

1
A flat is 100. What number do the blocks show?
2
Count the flats and then the cubes. What number is it?
3
Ten rods make a flat. 19 rods are worth .
4
What number do the blocks show?
584548458
5
Which blocks show 306?
A
B
C
6
Ten rods make a flat. What number do the blocks show?
7
Trade ten rods for a flat in your head. What number do the blocks show?
8
The blocks show 120.
TrueFalse
9
10 tens make 1 hundred.
TrueFalse
10
Look at 472. What digit is in the tens place?
11
Join each set of places to its number.
  1. 14 hundreds 0 tens 2 ones
  2. 24 hundreds 2 tens 0 ones
  3. 32 hundreds 4 tens 0 ones
  • A402
  • B420
  • C240
12
Write the number: 3 hundreds, 0 tens and 5 ones.
13
Put the numbers in order. Smallest first.
  • 305
  • 350
  • 53
14
Draw flats, rods and cubes to show 214.
15
Why does 190 need a zero? Write one sentence.
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Answer key · Set A
Ten tens make a hundred
1800 8 flats count 100, 200, 300, 400, 500, 600, 700, 800.
2208 2 flats make 200. No rods. 8 cubes make 8. That is 208.
3190 10 rods make 100. 9 more rods make 90. That is 190.
4548 5 flats are 500, 4 rods are 40 and 8 cubes are 8. That is 548.
5C 306 is 3 hundreds, 0 tens and 6 ones. Blocks C have 3 flats, no rods and 6 cubes.
6604 10 rods make another flat, so there are 6 flats. 600 and 4 is 604.
7486 10 rods make a flat, so 4 flats and 8 rods are left, with 6 cubes. That is 486.
8False There is 1 flat, no rods and 2 cubes. That is 102. The zero holds the tens place.
9True 10 rods of ten make a flat of one hundred.
107 The 7 is in the middle. It says 7 tens.
111-A, 2-B, 3-C
12305 An empty tens place still needs a zero: 305.
132, 3, 1 53 has no hundreds. 305 and 350 both have 3 hundreds, and 305 has fewer tens.
15Your own words: a grown-up reads it.
Mark each answer, count the right ones and write the score on the sheet.