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Maths · Grade 3 · Set B
Tiles with no gaps
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B
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Goal: 15 min
Score/ 11
Remember: Area is how many squares cover a shape with no gaps and no overlaps. Count the squares in one row, then count the rows.

Count the tiles

1
Each square is 1 tile. How many tiles cover the hall floor?
2
Each square is 1 square foot. How many square feet cover the rug?
3
Count the rows of 7. How many squares cover the card?
4
Which card is covered by 15 squares?
A
B
C
5
Count both. Which patio has the bigger area?
the left onethe right onethey are the same
6
4 rows of 7 squares is 28 squares.
TrueFalse

No gaps, no overlaps

7
When you count squares to find area, you can count a square twice.
TrueFalse
8
The light squares are already laid. How many more tiles cover the dark part?
9
A square patio has 6 rows of 6 squares. Each square is 1 square meter. How many square meters cover it?
10
Two cards together are covered by squares. How many squares cover both cards?
11
Join each shape to the number of squares that cover it.
  1. 12 rows of 8
  2. 23 rows of 5
  3. 34 rows of 6
  4. 45 rows of 5
  • A15
  • B16
  • C25
  • D24
12
Draw squares to cover the shape with no gaps. Write the number of squares you used.
13
Write how you can count 6 rows of 4 squares without counting one by one.
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Answer key · Set B
Tiles with no gaps
110 2 rows of 5 tiles. 5 + 5 = 10.
218 3 rows of 6 squares. 6 + 6 + 6 = 18.
321 3 rows of 7 squares. 7 + 7 + 7 = 21.
4C 3 rows of 5 squares make 15. A has 16 and B has 14.
5the left one The left patio has 5 × 5 = 25 squares. The right patio has 4 × 6 = 24 squares.
6True 4 rows of 7 squares: 7 + 7 + 7 + 7 = 28.
7False Each square is counted once. Counting a square twice would make the area too big.
85 The dark part is 1 row of 5 tiles.
936 6 rows of 6 squares. 6 × 6 = 36.
1023 14 + 9 = 23 squares.
111-B, 2-A, 3-D, 4-C Multiply the rows by the number in each row.
13Your own words: a grown-up reads it.
Mark each answer, count the right ones and write the score on the sheet.