2
Look at the spider diagrams for the 2# table. Copy the diagrams and fill in the missing boxes. (a)
(b) 14
12
18
20
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?
?
2
?
?
?
?
8
?
6
?
?
16
4
?
?
2#2
7#2
9#2
10#2
2
4#2
3#2
8#2
6#2
?
?
?
?
Work with a partner to create spider diagrams for other times tables. 3
Look at the numbers in the two circles. Find pairs of numbers in the first circle that multiply together to give an answer from inside the second circle.
5
3 6
Find as many pairs of numbers as possible. Record both multiplications for each pair. For example: 5 # 4 ! 20 and 4 # 5 ! 20 Work with a partner. Draw two circles each. Choose five numbers from 1 to 9 to write in one circle. Swap circles and work out the answers to write in the second circle. Ask your partner to check your work.
4 2 12 24
15 20
15