square and cube numbers 2€¦ · square and cube numbers 1 use counters to show that 4, 9 and 16...
TRANSCRIPT
Square and cube numbers
1 Usecounterstoshowthat4,9and16aresquarenumbers.
Drawyouranswers.
2 Matchtherepresentations.
4cubed
3squared
4×4
42 23
3 Hereisa2×2×2cube.
Howmanycubesdoyouneedtobuilda3×3×3cube?
4 Completethetable.
22 2×2 4
23 2×2×2
32
33
2 25
5×5×5
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5 Write<,>or=tocompletethestatements.
2squared 2cubed
2squared 2×2
2squared 4
2squared 1cubed
6 Draw3straightlinestosplitthisgridinto3squaresand1rectangle.
7 Findfoursquarenumbersbetween100and200
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8 Dexterworksout20squared.
Annieworksout20cubed.
FindthedifferencebetweenDexter’sandAnnie’snumbers.
9 a)
WhatnumberscouldMobethinkingof?
b)
WhatnumberscouldAlexbethinkingof?
I am thinking of 2 numbers. When I add them I get a prime number. When I
multiply them I get a square number.
I am thinking of 2 numbers. When I add them I get a square number. When I
multiply them I get a prime number.