Square, cube and prime numbers
Grade 5: square numbers, cube numbers, prime numbers to 50, multiples and factors, multiply and divide by 10, 100, 1000.
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Questions
Which of these is a square number?
- 45
- 48
- 49
- 52
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49What is 9 squared?
- 18
- 72
- 81
- 99
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8136 is a square number. (True or false?)
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TrueWhat is the next square number after 64?
- 100
- 72
- 80
- 81
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81What is 2 cubed (2 × 2 × 2)?
- 16
- 4
- 6
- 8
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8Which of these is a cube number?
- 18
- 27
- 30
- 9
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27What is 5 cubed? (Answer out loud)
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125Which of these is a prime number?
- 39
- 47
- 49
- 51
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47The number 1 is a prime number. (True or false?)
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FalseWhich prime number is even?
- 2
- 4
- 6
- 8
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2Which number is a factor of 24?
- 5
- 7
- 8
- 9
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8Which of these is a multiple of 7?
- 52
- 56
- 58
- 65
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56How many factors does 12 have in total? (Answer out loud)
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6 (1, 2, 3, 4, 6, 12)What is 45 × 100?
- 405
- 45,000
- 450
- 4500
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45007300 ÷ 100 = 73 (True or false?)
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TrueWhat is 6.4 × 1000? (Answer out loud)
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6400
Play it as a game
Lucky WheelAnswer right to spin the wheel. Win points, double your score, swap with the leader, or play again.
BowlingAnswer right to roll: pick a lane and knock the pins down. A star doubles the points!
Hoop ShotAnswer right to shoot: close for 2, middle for 3, far for 5. The further, the harder.
Penalty KickAnswer right to take a penalty: left or right for 2, the top corner for 3. Will the keeper save it?