Whole Number 2 x 2 - Breakout (Level 1)

This math topic focuses on practicing the multiplication of two-digit whole numbers using a breakout method. Specifically, it gears learners toward understanding and utilizing the breakdown strategy for multiplication, by decomposing one of the factors to facilitate easier mental or straightforward multiplication. This skill is part of a broader unit dealing with the multiplication of two and three-digit numbers, enhancing arithmetic operations with larger numbers using decomposition techniques to simplify the process. Each problem presents various options for decomposing the multiplier, and students must select or recognize the most accurate decomposed expressions that result in the correct product.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Multiplication - Whole Number 2 x 2 - Breakout Worksheet

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Multiplication - Whole Number 2 x 2 - Breakout
1
How can you multiply 21 by 11 by breaking 11 apart
21 x 11
a A LaTex expression showing (21 multiplied by 10)+(21 multiplied by 1)
b A LaTex expression showing (21 + 10) multiplied by (21 + 1)
2
How can you multiply 24 by 17 by breaking 17 apart
24 x 17
a A LaTex expression showing (24 multiplied by 10)+(24 multiplied by 7)
b A LaTex expression showing (24 multiplied by 10) multiplied by (24 multiplied by 7)
3
How can you multiply 18 by 27 by breaking 27 apart
18 x 27
a A LaTex expression showing (18 multiplied by 20)+(18 multiplied by 7)
b A LaTex expression showing (18 + 20) multiplied by (18 + 7)
4
How can you multiply 23 by 29 by breaking 29 apart
23 x 29
a A LaTex expression showing (23 + 20) multiplied by (23 + 9)
b A LaTex expression showing (23 multiplied by 20)+(23 multiplied by 9)
5
How can you multiply 22 by 16 by breaking 16 apart
22 x 16
a A LaTex expression showing (22 multiplied by 10)+(22 multiplied by 2)
b A LaTex expression showing (22 multiplied by 10)+(22 multiplied by 6)
6
How can you multiply 21 by 23 by breaking 23 apart
21 x 23
a A LaTex expression showing (21 multiplied by 20)+(21 multiplied by 3)
b A LaTex expression showing (21 multiplied by 20) multiplied by (21 multiplied by 3)
7
How can you multiply 22 by 21 by breaking 21 apart
22 x 21
a A LaTex expression showing (22 multiplied by 20)+(22 multiplied by 1)
b A LaTex expression showing (22 multiplied by 20) multiplied by (22 multiplied by 1)
8
How can you multiply 13 by 19 by breaking 19 apart
13 x 19
a A LaTex expression showing (13 multiplied by 10) multiplied by (13 multiplied by 9)
b A LaTex expression showing (13 multiplied by 10)+(13 multiplied by 9)