Page 29 - 新思维数学活动用书6 样章
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2 Numbers and sequences
Challenge
11 Find two 2-digit square numbers that have a sum of 130.
+ = 130
12 Draw a ring around all the square numbers in this list.
3
3
3
3
1 2 3 4 5 3
13 Emma uses small cubes to make a larger cube. She uses 16 cubes to make the
base of her cube.
How many small cubes in total does Emma use to make the larger cube? How do
you know?
14 Put these square numbers and cube numbers in order of size starting with the
smallest.
2
3
5 2 3 3 2
3
15 Use each of the digits 2, 3, 4, 6, 7 and 8 once to make these numbers.
A square number A square number
A cube number A cube number
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