Unit 4 Everyday Math Grade 4

Extend Multiplication Facts (Mental Math)

100

4 * 30=

120

200

70 * 20 =

1,400

300

6,000 * 30 =

180,000

400

800 * 40 =

32,000

500

70,000 * 400 =

28,000,000

Conversions

100

Given 1 Liter (L) = 1,000 milliliters (mL)

18 L = ______ mL 

18 L = 18,000 mL

200

8 hours =  ______  minutes

8 hours = 480 minutes

300

27 Feet = ______ Inches  

27 Feet = 324

400

32 hours = _____ minutes

32 hours = 1,920 minutes

500

87 feet = _________ inches

87 feet = 1,044

Area or Perimeter Method

100

What is the area of a rectangle with a side that is 70 cm long and another side that is 9 cm long?

630 cm²

200

What is the area of a rectangle with a side that is 15 ft. long and another side that is 27 ft. long?

405 ft²

300

What is the perimeter of a rectangle with a side that is 83 cm long and another side that is 94 cm long?

354 cm

400

What is the perimeter of a rectangle with a side that is 76 in long and another side that is 32 in long?

216 sq. in.

500

What is the area of a rectangle with a side that is 731 ft long and another side that is 8 ft long?

5,848 ft²

Lattice or Partial Products Multiplication

100

Solve the following 

83 * 79 = a

6557

200

Solve the following: 

42 * 36

1512

300

Solve the following: 

389 * 4

1,556

400

Solve the following: 

4,927 * 6

29,562

500

Solve the following: 

97 x 93

9,021

Multistep Multiplication Problems

100

Craig has a twenty dollar bill.  He buys six squirt guns for $2 each.  How much money did Craig have left?

Six squirt guns times $2 each equals $12.  He has $20.  $20 minus $12 equals $8.  He will have $8 left over.  

200

Maria invited 4 of her friends over for a water balloon fight in the backyard.  At the start of the game, Maria gave each of her friends 7 water balloons.  She had six water balloons for herself.  How many water balloon did they have altogether?

Four friends each had seven water balloons, equalling 28 water balloons total.  28 water balloons plus Maria's six water balloons equals 34 water balloons total.  

300

Matthew and his brother Shawn played swimming pool basketball.  Each basket was worth 3 points.  Matthew scored 9 points.  Shawn scored 6 points. what is the total number of baskets made during the game.  

Matthew scored 9 points, if each basket is worth three points, that mean he made 3 baskets.  Shawn scored 6 points, meaning he made 2 baskets.  Matthew's 3 baskets plus Shawn's 2 baskets equals 5 baskets total.

400

Lauren and Gina's mother told her daughters they can swim in the pool for 20 minutes.  First, they swam laps in the pool for 7 minutes.  Then they swam underwater for one minute.  Then they played water polo for 8 minutes.  How much longer can they stay in the pool?

Lauren and Gine swam laps for 7 minutes plus played water polo for 8 minutes, this equals 16 minutes total.  If they have 20 minutes in all and have swam 15 minutes that means they have 5 minutes left.

500

Ben is buying a new phone for $475.  He paid for the phone using three $100 bills, sixteen $10 bills, and thirty-two $1 bills.  How much did Ben pay?

Three $100 bills equals $300 plus sixteen $10 equals $160.  So far a total of $460. Then is you add $32 one dollar bills you have a total of $492 dollars.  After Ben pays he will have $17 left over.