Unit 3 Multiplication And Division Worksheet Page 12
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40Here are some ways to use skip counting to multiply mentally.
➤ Use skip counting patterns.
These numbers are
For example,
multiples of 6.
To find 7
6, skip count by 6 seven times:
6, 12, 18, 24, 30, 36, 42
7 steps of 6 is 42.
7
6
42
These numbers are
Another way is to skip count by 7 six times:
multiples of 7.
7, 14, 21, 28, 35, 42
6 steps of 7 is 42.
7
6
42
➤ Skip count from a known fact.
You know 9
5
45.
To find 9
6:
“45 . . . then 54”
Skip count by 9 to add one more group of 9.
So, 9
6
54
To find 9
7:
You know 9
5
45.
“ 45 . . . then
Skip count by 9 to add two more groups of 9.
54 . . . then 63”
So, 9
7
63
91
Unit 3 Lesson 3
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