Math Unit 2

Finding Factors

100

The factor pairs of 10?

1 and 10, 2 and 5

200

The factor pairs of 25?

1 and 25, 5 and 5

300

The factor pairs of 48.

1 and 48, 2 and 24, 3 and 16, 4 and 12.

400

The factor pairs of 63.

1 and 63, 3 and 21, 7 and 9.

500

The factor pairs of 90.

1 and 90, 2 and 45, 3 and 30, 5 and 18, 6 and 15

Multiples

100

The first 5 multiples of 3.

3, 6, 9, 12, 15

200

The first 5 multiples of 7.

7, 14, 21, 28, 35

300

The first 8 multiples of 5.

5, 10, 15, 20, 25, 30, 35, 40.

400

The first 5 multiples of 12. 

12, 24, 36, 48, 60

500

The first 10 multiples of 6.

6, 12, 18, 24, 30, 36, 42, 48, 54, 60

Area of Rectangles

100

I have a length of 5cm and a width of 4cm, what is my area?

20 cm²

200

I have a length of 6in and a width of 3in, what is my area?

18 in²

300

I have a length of 7m and a width of 8m, what is my area?

56 m²

400

I am buying a house with a backyard of 42 yd^2. What is could the length and the width of my backyard be?

6 yd and 7 yd, 2 yd and 21 yd, 1 yd and 42 yd, 3 yd and 14 yd, 

500

I am building a pool with an area of 35 m² next to my house that has a length of 5m.  What is the width?

7 m.

Multiplication

100

12 x 4

48

200

16 x 10

160

300

35 x 3

105

400

72 x 4

288

500

96 x 7

672

Mixed Review

100

What value is 5 in 435,281.

5,000

200

Round 632 to the nearest ten. 

630.

300

I had 3 cookies for lunch, but Mrs. Downs had twice as many. How many cookies did Mrs. Downs have?

6 cookies

400

Bob is 5ft tall. His house is 5 times as tall. How tall is his house?

25 ft. 

500

Mary joined class with 9 markers, the whole class had 9 times as many. How many markers does the class have?

81 markers