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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Math worksheet on 'Multiplication - Whole Number 2 x 2 - Breakout (Level 1)'. Part of a broader unit on 'Multiplication - 2 and 3 Digit' Learn online: app.mobius.academy/math/units/multiplication_2_and_3_digit/
1
How can you multiply 18 by 19 by breaking 19 apart
18 x 19
a A LaTex expression showing (18 multiplied by 10)+(18 multiplied by 9)
b A LaTex expression showing (18 multiplied by 10)+(18 multiplied by 8)
2
How can you multiply 27 by 15 by breaking 15 apart
27 x 15
a A LaTex expression showing (27 multiplied by 10)+(27 multiplied by 7)
b A LaTex expression showing (27 multiplied by 10)+(27 multiplied by 5)
3
How can you multiply 21 by 23 by breaking 23 apart
21 x 23
a A LaTex expression showing (21 multiplied by 20) multiplied by (21 multiplied by 3)
b A LaTex expression showing (21 multiplied by 20)+(21 multiplied by 3)
4
How can you multiply 28 by 12 by breaking 12 apart
28 x 12
a A LaTex expression showing (28 multiplied by 10)+(28 multiplied by 8)
b A LaTex expression showing (28 multiplied by 10)+(28 multiplied by 2)
5
How can you multiply 27 by 18 by breaking 18 apart
27 x 18
a A LaTex expression showing (27 multiplied by 10)+(27 multiplied by 8)
b A LaTex expression showing (27 multiplied by 10)+(27 multiplied by 7)
6
How can you multiply 16 by 29 by breaking 29 apart
16 x 29
a A LaTex expression showing (16 multiplied by 20)+(16 multiplied by 9)
b A LaTex expression showing (16 + 20) multiplied by (16 + 9)
7
How can you multiply 12 by 12 by breaking 12 apart
12 x 12
a A LaTex expression showing (12 + 10) multiplied by (12 + 2)
b A LaTex expression showing (12 multiplied by 10)+(12 multiplied by 2)
Multiplication - Whole Number 2 x 2 - Breakout (Level 1) - Mobius Math Academy