u2 l2 math - multiplying two digit numbers by one number

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?