Multiplication Cheat Sheet (Traditional)

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Multiplication Cheat Sheet (Traditional)
More Than One Digit
To solve multiplication problems using the traditional method it’s a lot like addition.
You multiply, carry (if you need to) and repeat going from right to left for each number. Then you add your two answers together.
Lets take a look at the steps in depth below to solve the problem:
907 × 32 = _____
1
1
1
1
9 0
7
9
0
7
9
0 7
9 0 7
×
3
2
×
3
2
×
3
2
×
3 2
4
1
4
1 8
1 4
1 8 1 4
,
,
0
3) Ones place × hundreds place.
1) Ones place × Ones place.
2) Ones place × Tens place.
4) Place 0.
A. 2 × 0 = 0
A. 2 × 9 = 18
A. Place a 0 in the ones
A. 2 × 7 = 14
column. This is
B. Add the 1 you carried in step 1.
B. Place the 4 in the ones
B. Place the 8 in the hundreds
because now we’re
column and carry the 1 to
column and the 1 in the
multiplying everything
C. 0 + 1 = 1
the tens column over the 0.
thousands column.
time 30.
D. Place the 1 in the tens column.
2
2
2
2
9 0
7
9
0
7
9
0 7
9 0 7
×
3
2
×
3
2
×
3
2
×
3 2
1 8 1 4
1 8 1 4
1 8 1 4
1 8 1 4
,
,
,
,
1
0
2
1 0
2 7
2 1 0
+
2 7 2 1 0
,
,
5) Tens place × Ones place.
6) Tens place × Tens place.
7) Tens place × hundreds place.
8) Get ready to add.
A. 3 × 7 = 21
A. 3 × 0 = 0
A. 3 × 9 = 27
A. Set the problem up
so that you can add
B. Place the 1 in the tens
B. Add the 2 you carried in step 5.
B. Place the 7 in the thousands
your two answers
column and carry the 2 over
column and the 2 in the ten
together.
C. 0 + 2 = 2
the 0.
thousands column.
D. Place the 2 in the hundreds column.
2
2
2
2
2
9 0 7
9 0 7
9 0 7
9 0 7
9 0 7
×
3 2
×
3 2
×
3 2
×
3 2
×
3 2
1
1
1
1 8 1 4
1 8 1
4
1 8
1
4
1
8
1 4
1
8 1 4
,
,
,
,
,
+
2 7 2 1 0
+
2 7 2 1
0
+
2 7 2
1
0
+
2 7
2
1 0
+
2
7
2 1 0
,
,
,
,
,
2
9 0 2 4
4
2
4
0
2 4
9
0 2 4
9) Add ones.
11) Add hundreds.
12) Add thousands.
13) Add ten thousands.
10) Add tens.
A. 4 + 0 = 4
A. 8 + 2 = 10
A. 7 + 1 + 1 = 9
A. 2 + 0 = 2
A. 1 + 1 = 2
B. So 907 × 32 = 29,024
Things to Remember
Make sure you put your 0 in before you multiply the
second number. If you don’t your entire answer will
be wrong!
Math

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