Powers, roots and primes
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Flashcard deck
Squares and cubes
Square numbers to 15² and cube numbers to 10³, with square arrays.
Ages 10–1625 cards
Try three cards
Tap a card to turn it over and see why.
7²
7² = 497 rows of 7 make a square of 49.
14²
14² = 19614 rows of 14 make a square of 196.
7³
7³ = 343
7 × 7 = 49, and 49 × 7 = 343.
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Start practisingAll 25 facts in this deck
- 1² = 1
- 2² = 4
- 3² = 9
- 4² = 16
- 5² = 25
- 6² = 36
- 7² = 49
- 8² = 64
- 9² = 81
- 10² = 100
- 11² = 121
- 12² = 144
- 13² = 169
- 14² = 196
- 15² = 225
- 1³ = 1
- 2³ = 8
- 3³ = 27
- 4³ = 64
- 5³ = 125
- 6³ = 216
- 7³ = 343
- 8³ = 512
- 9³ = 729
- 10³ = 1000