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Warm Up
1. 62 x 8
3. Which table shows 2 more than 3 times
the number in Set A?
A. Set A
2. 109 ÷ 7
Set B
B.
Set A
Set B
1
5
1
5
3
15
3
11
6
30
6
20
4. Landon wrote down the number of
pumpkins he bought at the pumpkin
patch. Then he multiplied the number by
4 and subtracted 2 from the product. The
result was 18. What was the number of
pumpkins Landon bought at the pumpkin
patch?
How can we solve a multiplication problem
with a 3 digit number and a 1 digit number?
Show: Video 6-4 on EnVision “Visual Learning Animations” CD
or at https://www.pearsonsuccessnet.com
How can we solve a multiplication problem
with a 3 digit number and a 1 digit number?
Here’s a problem for you to solve before we talk about it
together. Think about the work you’ve been doing on multiplying
by two digit numbers by one digit numbers by breaking apart.
How can that help you with this problem?
231 x 4=
How can we solve a multiplication problem
with a 3 digit number and a 1 digit number?
231 x 4=
How did you break apart 231?
200
30
1
What are we going to multiple each part by?
X4
200
X 4
800
30
X 4
120
1
X 4
4
How can we solve a multiplication problem
with a 3 digit number and a 1 digit number?
231 x 4=
200
X 4
800
30
X 4
120
1
X 4
4
Strategy Two:
1
231
X 4
924
1 X 4?
What is 30 X 4?
What is 200 X 4?
Plus 100?
What is
Add Partial Products:
800
120
+ 4
9 2 4
How can we solve a multiplication problem
with a 3 digit number and a 1 digit number?
519 x 4=
Add strategies to Math Notebook!
How can we solve a multiplication problem
with a 3 digit number and a 1 digit number?
Practice with your group to solve the following problems. Write
a reasonable statement about each product before you begin.
How can we solve a multiplication problem
with a 3 digit number and a 1 digit number?
Independent Work: EnVision p. 140 problems 7-22, Bonus 23-25
How can we solve a multiplication problem
with a 3 digit number and a 1 digit number?
Independent Work: EnVision p. 140 problems 7-22, Bonus 23-25