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Multiplication - Whole Number 2 x 1 - Column Breakout (Level 1)

This math topic focuses on the skill of breaking down larger multiplication problems into smaller, more manageable components. The practice involves multiplying two-digit numbers by single-digit numbers. Each example provided requires the student to decompose a two-digit number into two parts, such as tens and ones, and then multiply each part separately by the given single-digit multiplier. This approach helps in understanding multiplication through partial products, making it an essential step in learning and improving multiplication efficiency. The questions in this topic provide multiple illustrated multiplication problems, enhancing the conceptual understanding of the distribution property in multiplication.

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

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Whole Number 2 x 1 - Column Breakout

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.

How can you multiply 17 by 3 by breaking 17 apart

17.×3.‾\begin{aligned}17\hphantom{.}\\[-0.5em]\underline{\times 3\hphantom{.}}\end{aligned}\\

Multiplication - Whole Number 2 x 1 - Column Breakout Worksheet

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Math worksheet on 'Multiplication - Whole Number 2 x 1 - Column Breakout (Level 1)'. Part of a broader unit on 'Multiplication - Times Table to 13 - Practice' Learn online: app.mobius.academy/math/units/multiplication_times_tables_practice/
1
How can you multiply 27 by 2 by breaking 27 apart
A LaTex expression showing \begin{aligned}27\hphantom{.}\\[-0.5em]\underline{ multiplied by 2\hphantom{.}}\end{aligned}\\
a A LaTex expression showing (20 multiplied by 1)+(7 multiplied by 1)
b A LaTex expression showing (20 multiplied by 3)+(7 multiplied by 3)
c A LaTex expression showing (15 multiplied by 2)+(7 multiplied by 2)
d A LaTex expression showing (20 multiplied by 2)+(7 multiplied by 2)
e A LaTex expression showing (20 multiplied by 2)+(6 multiplied by 2)
f A LaTex expression showing (20 multiplied by 4)+(7 multiplied by 4)
2
How can you multiply 18 by 2 by breaking 18 apart
A LaTex expression showing \begin{aligned}18\hphantom{.}\\[-0.5em]\underline{ multiplied by 2\hphantom{.}}\end{aligned}\\
a A LaTex expression showing (10 multiplied by 2)+(8 multiplied by 2)
b A LaTex expression showing (10 multiplied by 2)+(9 multiplied by 2)
c A LaTex expression showing (7 multiplied by 2)+(8 multiplied by 2)
d A LaTex expression showing (12 multiplied by 2)+(8 multiplied by 2)
e A LaTex expression showing (10 multiplied by 2)+(5 multiplied by 2)
f A LaTex expression showing (10 multiplied by 1)+(8 multiplied by 1)
3
How can you multiply 28 by 2 by breaking 28 apart
A LaTex expression showing \begin{aligned}28\hphantom{.}\\[-0.5em]\underline{ multiplied by 2\hphantom{.}}\end{aligned}\\
a A LaTex expression showing (20 multiplied by 3)+(8 multiplied by 3)
b A LaTex expression showing (20 multiplied by 5)+(8 multiplied by 5)
c A LaTex expression showing (22 multiplied by 2)+(8 multiplied by 2)
d A LaTex expression showing (20 multiplied by 1)+(8 multiplied by 1)
e A LaTex expression showing (20 multiplied by 2)+(8 multiplied by 2)
f A LaTex expression showing (24 multiplied by 2)+(8 multiplied by 2)
4
How can you multiply 29 by 9 by breaking 29 apart
A LaTex expression showing \begin{aligned}29\hphantom{.}\\[-0.5em]\underline{ multiplied by 9\hphantom{.}}\end{aligned}\\
a A LaTex expression showing (20 multiplied by 9)+(10 multiplied by 9)
b A LaTex expression showing (20 multiplied by 9)+(9 multiplied by 9)
c A LaTex expression showing (23 multiplied by 9)+(9 multiplied by 9)
d A LaTex expression showing (20 multiplied by 12)+(9 multiplied by 12)
e A LaTex expression showing (20 multiplied by 6)+(9 multiplied by 6)
f A LaTex expression showing (22 multiplied by 9)+(9 multiplied by 9)
5
How can you multiply 21 by 3 by breaking 21 apart
A LaTex expression showing \begin{aligned}21\hphantom{.}\\[-0.5em]\underline{ multiplied by 3\hphantom{.}}\end{aligned}\\
a A LaTex expression showing (20 multiplied by 3)+(5 multiplied by 3)
b A LaTex expression showing (20 multiplied by 3)+(2 multiplied by 3)
c A LaTex expression showing (20 multiplied by 1)+(1 multiplied by 1)
d A LaTex expression showing (20 multiplied by 4)+(1 multiplied by 4)
e A LaTex expression showing (20 multiplied by 3)+(1 multiplied by 3)
f A LaTex expression showing (20 multiplied by 3)+(3 multiplied by 3)
6
How can you multiply 18 by 3 by breaking 18 apart
A LaTex expression showing \begin{aligned}18\hphantom{.}\\[-0.5em]\underline{ multiplied by 3\hphantom{.}}\end{aligned}\\
a A LaTex expression showing (10 multiplied by 6)+(8 multiplied by 6)
b A LaTex expression showing (10 multiplied by 3)+(4 multiplied by 3)
c A LaTex expression showing (10 multiplied by 3)+(11 multiplied by 3)
d A LaTex expression showing (5 multiplied by 3)+(8 multiplied by 3)
e A LaTex expression showing (10 multiplied by 3)+(10 multiplied by 3)
f A LaTex expression showing (10 multiplied by 3)+(8 multiplied by 3)
7
How can you multiply 22 by 3 by breaking 22 apart
A LaTex expression showing \begin{aligned}22\hphantom{.}\\[-0.5em]\underline{ multiplied by 3\hphantom{.}}\end{aligned}\\
a A LaTex expression showing (21 multiplied by 3)+(2 multiplied by 3)
b A LaTex expression showing (24 multiplied by 3)+(2 multiplied by 3)
c A LaTex expression showing (20 multiplied by 5)+(2 multiplied by 5)
d A LaTex expression showing (20 multiplied by 3)+(4 multiplied by 3)
e A LaTex expression showing (20 multiplied by 3)+(2 multiplied by 3)
f A LaTex expression showing (20 multiplied by 6)+(2 multiplied by 6)
Multiplication - Whole Number 2 x 1 - Column Breakout (Level 1) - Mobius Math