Multiplication Patterns - Multiplication Worksheet With Answers
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Date
1–14
Multiplication Patterns
Finding multiplication patterns can help you multiply quickly and easily.
Write the multiplications for 9 from 2
9 through 9
9.
1.
Compare the tens digit of each product with the multiplier of 9. What do you notice?
2.
Add the digits in each product. What do you notice?
3.
Look at the pattern for multiplying a 1-digit number and 11.
1
11 = 11 2
11 = 22 3
11 = 33 4
11 = 44 5
11 = 55
Use the pattern to predict the products of 7
11 and 9
11.
4.
Now look at the pattern for multiplying 11 by a 2-digit number whose digits have a sum
less than 10.
10
11 = 110 11
11= 121 12
11 = 132 13
11 = 143 14
11 = 154
Compare the hundreds digit in each product with the tens digit in the multiplier of 11.
5.
What do you notice?
Compare the ones digit in each product with the ones digit in the multiplier of 11. What
6.
do you notice?
Compare the tens digit in each product with the sum of the digits in the multiplier of 11.
7.
What do you notice?
Use the pattern to predict the product: 15
11 =
18
11 =
8.
24
11 =
32
11 =
41
11 =
54
11 =
63
11 =
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