iReady 4th Grade Unit 3 Review

Lesson 11

100

3 x 458 =

1,374

200

869 x 9 =

7,821

300

6 x 945 = 

5,670

400

4 x 459 = 

1,836

500

798 x 5 = 

3,990

Lesson 12

100

1,958 x 4 = 

7,832

200

1,293 x 6 =

7,758

300

5,286 x 3 =

15,858

400

6 x 2,789 = 

16,734

500

9 x 7,549

67,941

Lesson 13

100

Lucy's exercise class starts in 300 minutes. It takes Lucy 4 hours to do errands. Does she have enough time to do errands before the class starts? Change the number of hours it takes Lucy to do errands into number of minutes to find out. 

1 minute = 60 seconds

1 hour = 60 minutes

1 day = 24 hours

There are 240 minutes in 4 hours. So Lucy has enough time to do her errands.

200

Keenan has an 8 liter jug filled with olive oil. He uses it to fill nine 750 milliliter jars with olive oil. How much olive oil does Keenan have left in the jug?  

1,250 mL

300

Victoria jogs 5 kilometers. How many meters does she jog? 

5,000 meters

400

Three friends each record how long it takes them to finish their homework. Order the times from least to greatest. 

2 hours            135 minutes              3,200 seconds

From least to greatest, 3,200 seconds, 2 hours, and 135 minutes

500

How many grams are in different numbers of kilograms? Complete the table. 

Kilograms                               Grams

1

2

3

4

Grams

1,000

2,000

3,000

4,000

Lesson 14

100

234 ÷ 3

78

200

384 ÷ 4

96

300

370 ÷ 5 

74

400

448 ÷ 8 

56

500

472 ÷ 8 

59

Lesson 15

100

3,032 ÷ 4

758

200

3,516 ÷ 6 

526

300

2,688 ÷7

384

400

4,230 ÷ 5 

846

500

2835 ÷ 3 

945

Lesson 16

100

Ms. Meldau is sewing a hem on the rug. The rug is a square with the base 4 feet long. How much hem does she need to completely go around the rug?

Perimeter is 16 ft. long. 

200

Sarah wants to build a fence around her rectangular garden. The garden measures 8 meters in length and 5 meters in width. What is the perimeter of the garden?

Perimeter is 8+8+5+5 = 26 meters

300

John wants to tile the floor of his rectangular kitchen. The kitchen measures 16 feet in length and 4 feet in width. What is the area of the kitchen floor?

Area = 64 sq. ft.

400

Mr. Smith owns a rectangular field. The length of the field is 50 meters, and the width is 30 meters. What is the perimeter of the field?

Perimeter = 50 + 50 + 30 + 30

Perimeter = 160 meters

500

Emily has a rectangular bookshelf that is 23 feet long and 12 feet wide. What is the total area of the shelves if she has two shelves in the bookshelf?

Area = 276 sq. ft