Page 20 - PlayFacto_P4
P. 20
Number patterns
Look at the numbers in a pattern. Find the pattern rule.
12121212
1, 2 are repeating.
98765432
The starting term is 9 and subtract 1 each time to get the next number.
0 2 4 6 8 10
The starting term is 0 and add 2 each time to get the next number.
Example 1 Find the rule for each pattern. Extend the pattern.
⑴
2 232
3
⑵
13 5 7
⑶
753
64
2. Number memory 17
Look at the numbers in a pattern. Find the pattern rule.
12121212
1, 2 are repeating.
98765432
The starting term is 9 and subtract 1 each time to get the next number.
0 2 4 6 8 10
The starting term is 0 and add 2 each time to get the next number.
Example 1 Find the rule for each pattern. Extend the pattern.
⑴
2 232
3
⑵
13 5 7
⑶
753
64
2. Number memory 17
