Repaso

Multiplication

100

7x9

63

200

45 x 100

4500

300

35 x 7

245

400

51 x 24

1,224

500

123 x 456

56,088

Adding/Subtracting Fractions

100

3/8 + 1/4

5/8

200

3 - 1/2

2 1/2

300

3 1/2 + 5 1/2

9

400

8/11 + 10/33 

34/33 = 1 1/33

500

100/200 - 5/10

0

Multiplying fractions

100

3/4 x 1/8

3/32

200

1/2 of 40

20

300

3/4 of 40

30

400

4/11 of 55

20

500

3/5 of 200

120

Area/Perimeter

100

A square has a side length of 4 inches. What is the perimeter of the square? 

16 inches

200

A square has a side length of 8 inches. What is the area of the square? 

64 inches²

300

A rectangular has side lengths of 1/4 inches and 1/2 inches. What is the perimeter of the rectangular? 

1 1/2 inches 

400

A rectangular has side lengths of 3/4 inches and 7/10 inches. What is the area of the rectangle? 

21/40 inches²

500

A rectangle has side lengths of 4/5 inches and 2 inches. What is the area of the rectangle? 

8/5 = 1 3/5 inches²

Word problems

100

I ate 8 cookies. Iris ate 4 cookies. How many cookies did we eat in total? 

12 cookies

200

I had 100 soccer balls. I gave 25 to Brian. How many soccer balls do I have now? 

75 soccer balls 

300

There are 500 students at Johnson. Every classroom can hold 10 students. How many classrooms do we need to fit every student? 

50 classrooms 

400

I want to buy 4 cakes from the grocery store for my birthday party. Each cake costs $3.25. How much do all 4 cakes cost in total?  

$13.00