Multiplication and Division

Multiplying by 2

100

2 x 5 =

10

200

8x2=

16

300

2 x 9 =

18

400

2x7=

14

500

2x11=

22

Multiplying by 5

100

5x5

25

200

Is 5x6 an even number?

yes (5x6 is 30 and 30 is even)

300

Is 7x5 an even number?

No, 5x7 is 35, and it is not even.

400

$ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ Put the $ into groups of 5 and write the repeated addition sentence.

4 groups of 5 5+5+5+5=20

500

$ $ $ $ $ $ $ $ $ $ Put the $ into groups of 5, write the repeated addition sentence and the multiplication sentence.

2 groups of 5 5+5=10 2x5=10

Multiplying by 10

100

Is 3x10 an even or odd number?

3x10=30 and 30 is even

200

Complete the pattern by finding the missing numbers. ___, 400, ___, ____, 700, 800

300 , 500 , 600

300

Draw an array for the following multiplication 2x10

$ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $

400

Group the objects together and tell me if it is an even number or odd. $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $

3 groups of 10 10 groups of 3 EVEN

500

Group the $ and tell me if it is an even or odd number. $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $

There are 31 $ The number is Odd

Division

100

Put the objects into groups and write the repeated subtraction sentence. $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $

4 groups of 7 28-7-7-7-7=0

200

Put objects into groups of two and write the repeated subtraction sentence, and the division sentence. $ $ $ $ $ $ $ $ $ $

5 groups of 2 10-2-2-2-2-2=0 10/2=5

300

Put objects into groups of two and write the repeated subtraction sentence, and the division sentence. $ $ $ $ $ $ $ $ $ $ $ $

6 groups of 2 12-2-2-2-2-2-2=10 12/2=6

400

What is the repeated subtraction for 50/10?

50-10-10-10-10-10=0

500

What is 40/5? Write the repeated subtraction.

40-5-5-5-5-5-5-5-5=0 40/5=8

Story Problems

100

Miss Lisl brought some candy and and gave all of the Santiagos' 2 pieces of candy. How many pieces of candy did she give away in all?

2+2+2+2=8 2x4=8 She gave away 8 pieces of candy

200

Miss Lisl has 3 dogs she rescued from the street. They all like to go out and run with her. How many legs do her dogs have all together?

4+4+4=12 3x4=12

300

Miss Andrea baked cupcakes in groups of 5. She made 50 cupcakes in all. How many cupcakes were in each group? Write the repeated subtraction and the division sentence.

50-5-5-5-5-5-5-5-5-5-5=0 50/5=10 There were 10 cupcakes in each group.

400

For their wedding, Miss Lisl and her fiancee Diego have 20 bridesmaids and groomsmen altogether. They need them to walk down the aisle in groups of 2. How many groups of 2 do they have? Write the subtraction and division sentence.

20-2-2-2-2-2-2-2-2-2-2=0 20/2=10 They will have 10 groups of bridesmaids and groomsmen.

500

5 kids in our classroom read together for 7 minutes. How many minutes did they read in all? Then 3 other kids read for 10 minutes each. How many minutes did they read in all? How many minutes did they read altogether? Show all your work.

7+7+7+7+7=35 5x7=35 10+10+10=30 3x10=30 35+30=65 They all read 65 minutes in all.