Unit 4 Math Review

Multidigit Multiplication

100

What is 11 x 5?

55

200

What is 25 x 7?

175

300

What is 328 x 9?

2,952

400

What is 42 x 64?

2,688

500

What is 319 x 37?

11,803

Liters (l) and Milliliters (mL)

100

Convert 1 L to mL

1,000 mL

200

Convert 5,000 mL to L

5 L

300

Convert 25 L to mL

25,000

400

Convert 300 mL to L

0.3 L

500

Convert 0.06 L to mL

60 mL

Finding Area and Perimeter

100

A rectangle has a length of 8 cm and a width of 5 cm. What is the perimeter of the rectangle?

26 cm

200

A square has a width and length of 6 inches. What is the area of the square? 

36 sq inches

300

Draw a rectangle with an area of 15 sq meters

Length of 5 m and width of 3 m 

Length of 3 m and width of 5 m

400

Mr. Johnson's green house has a width of 7 ft and an area of 84 sq ft. Draw a picture and solve for the missing length

Missing length is 12 ft

500

What is the area for the complex figure?

IXL | Learn 4th grade math (AA9)

Various Answers

Kilograms (kg) and Grams (g)

100

Convert 1 kg to g

1000 g

200

Convert 3,000 g to kg

3 kg

300

Convert 860 g to kg

0.86 kg

400

Convert 0.09 kg to g

90 g

500

Convert 5,200 g to kg

5.2 kg

Number Stories

100

Sam has 13 goldfish in his fish tank. Jessica wants to get a fish tank and have 4 times as many fish as Sam. How many fish will Jessica need to get?

52 goldfish

200

The 4th grade teachers at Jefferson Intermediate School drink 17 cups of coffee a day. About how many cups of coffee would they drink each month? Estimate and show your work (Hint: 4 weeks in a month, 5 days in the school week)

Actual: 340 cups

Estimate: 400 cups

300

Norma is buying a laptop for $348. She paid for the tablet using two $100 bills, thirteen $10 dollar bills, and twenty-two $1 bills. How much did Norma pay?

Write a number model to show your thinking.

2 x $100=$200; 13 x $10=$130; 22 x $1=$22

$200+$130+$22= $352

400

There is a box with 3 books in it. One book weighs 6 kilograms, the second weighs 8 kilograms, and the third weighs 12 kilograms. How many grams would they all weigh together? Show your work 

26,000 g

500

2 Step Problem- Mary wants to buy a birthday present for her mom. The phone she wants to buy costs $387. Mary has 3 hundred-dollar bills, 3 twenty-dollar bills, and 4 five-dollar bills. 

1) How much money does Mary have in all?

2) How much change will Mary get back from the cashier?

1) $380

2) She will get $7 in change