Cubes and cube roots
The Maths Habit
A square has sides of 11 cm. What is its area?
121 cm2A square has an area of 3600 m2. How long is each side?
60 mWork out √0.49
0.7
A big cube is built from small cubes, 10 along each edge.
How many small cubes is that?
1000: 10 rows of 10 make one layer of 100, and there are 10 layers
- Cube number
- A number multiplied by itself, and then by itself again.
- Cube root
- The number that was cubed.
Which number, three times, makes 8?
? × ? × ? = 8
2
Work out 73
the same number, three times7×7×7
=49×7=343
Answer343
Work out 63
the same number, three times6×6×6
=36×6=216
Answer216
Work out 73
the same number, three times7×7×7
=49×7=343
Answer343
Work out ∛64
which number, three times, makes 64?4×4×4= 64
Answer4
Work out 73
the same number, three times7×7×7
=49×7=343
Answer343
Work out 93
the same number, three times9×9×9
=81×9=729
Answer729
Work out 73
the same number, three times7×7×7
=49×7=343
Answer343
Work out ∛125
which number, three times, makes 125?5×5×5= 125
Answer5
Work out 73
the same number, three times7×7×7
=49×7=343
Answer343
Work out ∛1000
which number, three times, makes 1000?10×10×10= 1000
Answer10
A cube has a volume of 216 cm³. How long is each edge?
6 cmJo says 23 = 6. What has she done?
She did 2 × 3. It is 8
Work out the cube root of 343.
7Which is bigger, 33 or 52? Show how you know.
33: 27 > 25
Exit tickets to print
