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Multiplying 2 Digit Numbers by 1 digit
numbers.
Pages 17-19
MATH U2 L2
Let’s review:
I’ll give you a short multiplication
quiz.
Write the answers on your
paper.
7 x 6 =
9 x 8 =
3 x 7 =
5 x 10=
4 x 9=
5 x 8=
3 x 8=
7 x 9=
6 x 8=
2 x 9=
Check:
7 x 6 = 42
9 x 8 = 72
Check:
3 x 7 = 21
Check:
5 x 10=50
Check:
4 x 9= 36
Check:
5 x 8= 40
Check:
3 x 8= 24
Check:
7 x 9= 63
Check:
6 x 8= 48
Check:
2 x 9= 18
Check:
Let’s Try something a little
harder…….
37 x 6 =222
How did you find your answer?
Let’s watch the video and see
how we solve these problems.
https://www.khanacademy.org/math/arithmetic/mul
tiplication-division/multi_digit_multiplication/v/2-
digit-times-1-digit-example
So there is a process we can
follow…….
Watch me while I demonstrate a
few problems.
Let’s Practice
Try practice problems # 1-
16 in your books on page
number 17.
Switch books with your partner and
check your answers:
1. 88 9. 132
2. 132 10. 280
3. 48 11. 87
4. 39 12. 215
5. 72 13. 112
6. 104 14. 108
7. 161 15. 144
8. 96 16. 144
Let’s Practice
Try practice problems # 1-
15 in your books on page
number 18.
This time instead of writing
your answers in standard
form (120) write them in
word form (one hundred
twenty)
Switch books with your partner and
check your answers: 1. One hundred seventy.
2. One hundred thirty-eight.
3. Ninety.
4. Seventy-two.
5. Ninety-two.
6. Three hundred forty-eight.
7. One hundred five.
8. Five hundred twelve.
9. Two hundred twenty-eight.
10. Ninety-two.
11. Eighty-one.
12. Three hundred fifty-seven.
13. One hundred twenty-five.
14. One hundred nineteen.
15. Three hundred forty-four.
Word Problems
We are going to work on word
problems.
One good way to solve word
problems is by turning them into
picture stories.
I’m going to give you a worksheet
and we are going to work on
changing these word problems into
picture problems.
The park’s sprinklers can spray 33 liters of
water on the grass in one minute. How
many liters can they spray in 8 minutes?
The girl’s swimming team had practice
today. The 8 girls swam 26 laps each.
How many laps did they swim
altogether?
26 26 26 26 26 26 26 26
Paul’s pet snail can move 6 centimeters
(cm) in one minute. How many
centimeters (cm) can it move in 20
minutes?
6 cm 1 minute
The library’s internet connection can
transfer 42 megabytes of data every
second. How many megabytes can it
transfer in 7 seconds?
Each Northern Airlines jet plane can
carry 52 people. The airline has 8 planes.
How many people can be carried at
the same time?
Each city bus can carry 48 people. How
many people can 5 buses carry?