MULTIPLICATION

REVIEW

Mrs. Cook’s students jumped a total of

1,125 times in a 5 minute period.

If they jump the same amount each

week of the school year of 36 weeks,

how many jumps will her students

have accomplished at the end of the

year?

a. 5505

b. 6625

c. 5625

d. 1130

Mr. Levin’s class is running out of dry

erase markers. If each of his 19

students brings in two 4 packs of

markers, how many markers will

the class have?

a. 19 x ( 2 + 4 ) = ?

b. 19 x 2 x 4 = ?

c. ( 19 + 2 ) x 4 = ?

d. ( 19 x 2 ) + ( 19 x 4 ) = ?

Caleb purchased four boxes of crayons

for the class.

Each box has 64 crayons.

How many crayons did he give to

the class?

How many crayons if 20 students

bring in the same amount of crayons

as Caleb?

a. 4 x ( 64 + 20 ) = ?

b. ( 4 x 64 ) + ( 64 x 20 ) = ?

c. 4 + 64 x 20 = ?

d. 4 x ( 20 x 64 ) = ?

There are 426 students at Orange

Elementary School.

The PTA is having a spaghetti dinner

to raise money for the school.

If every student buys three tickets at

$6.00 each, how much money will

the PTA raise for the school?

a. 426 x 3 + 426 + 6 = ?

b. (3 x 6) + (3 x 426) = ?

c. (6 x 426) x 3 = ?

d. 6 + 426 x 3 = ?

All of the McDonalds in the County

have decided to contribute money

toward the schools.

If there are 63 McDonalds and they

each contribute $150 to the schools,

how much will the schools receive?

a. $ 6450

b. $ 3410

c. $ 9450

d. $ 1180

Each of the 4th grade classrooms has

an average of 20 students.

If there are 4 classrooms at each

grade level with the same number

of students as 4th grade, about how

many students attend our school?

a. 20 x ( 4 + 6 ) = 200

b. 4 + 20 x 6 = 144

c. 4 x 20 + 6 = 86

d. 6 x 80 = 480

Mrs. Ormond orders more books for the

Literature Circle selection.

If she orders 20 class sets of 20 books

each at $15 per book, how much

money will she spend?

a. ( 20 + 20 ) x 15 = 600

b. 20 x ( 20 x 15 ) = 6000

c. 20 + 20 + 15 = 55

d. ( 20 x 20 ) + 15 = 415

Use breaking apart to find the answer.

56 x 34

1.

56 x 34

30 4

2.

56

x 30

3.

56

x 4

4.

Add the product of step 2 and

step 3

___ + ___

Use breaking apart to find the answer.

49 x 62

1.

49 x 62

60 + 2

2.

49

x 60

3.

49

x 2

4.

Add the product of step 2 and

step 3

___ + ___

Use breaking apart to find the answer.

71 x 29

1.

71 x 29

20 9

2.

71

x 20

3.

71

x 9

4.

Add the product of step 2 and

step 3

___ + ___

Use breaking apart to solve.

836 x 45

836 x 45

40 + 5

836

x 40

836

x 5

Add the product of step 2 and

step 3

___ + ___

Mrs. Smith’s grandchildren

moved 2 miles down the road. She can

be there in 5 minutes on her bicycle.

There are 5,280 feet in a mile. How

many feet will she travel each time she

rides to their house?

Emmaly is learning the lattice

breaking apart strategy of multiplication.

It is like the multiplication grid and

looks like this for 235 x 46. 200 + 30 + 5

8000 1200 200

1200 180

40

+

6

Use the lattice strategy of breaking

apart to solve the problem.

752 x 51

700 + 50 + 2

35000 2500

50

50

+

1

Use the lattice strategy of breaking

apart to solve the problem.

123 x 45

100 + 20 + 3

800

100

40

+

5

Use the lattice strategy of breaking apart to solve the problem.

235 x 67

200 + 30 + 5

300

1400

60

+

7

Use the lattice strategy of breaking apart to solve the problem.

368 x 24

300 + 60 + 8

1200

1200

20

+

4

The Museum of Arts

and Sciences is open

364 days each year.

If 52 people visit

each day,

how many people

visit each year?

Use partial products to

solve this problem.

x

+

3 6 45 2

2 x 4

2 x 60

2 x 300

50 x 4

50 x 60

50 x 300

What are the partial products created

by this problem?

5 2 8

+ 3 44 x 8

4 x 20

4 x 500

30 x 8

30 x 20

30 x 500+

What are the partial products?

1 2 3 4

x 2 55 x 4

5 x 30

5 x 200

5 x 1000

20 x 4

20 x 30

20 x 200

20 x 1000

The cost of one gallon of gasoline is $3.89.

If Mrs. Broc fills up her tank each week for a year, what is a good estimate for the amount of money she will spend

on gas for the year?

12 gallon tank

A refrigerator uses about $15 each

month of electricity.

Joanna has two refrigerators and one

freezer. What will it cost to run these

appliances for the year?

My new microwave runs at 750 watts

of power.

The microwave popcorn bag says to

cook for 2 minutes at 1000 watts

of power.

How long should I cook my popcorn?

Emmaly and Jordan had to sell tickets to their school’s Fall Carnival.

They sold each ticket for $ .50

How much money did their school make?

Saturday 10 - 12 230

Saturday 12 - 2 310

Saturday 2 - 4 178

Saturday 4 - 6 426

Using this as your benchmark, What is the best estimate for the total number

of marbles the box will hold?

40

If you have 6 of the boxes

completely full of marbles, how many

marbles would you have?

The 4th grade students are going to

the Museum next week.

There are 82 students attending with a

total of 12 chaperones. Admission is

$13. How much money will be

collected for the Museum trip?

Mrs. Toll takes her grandkids to a different amusement park each summer.

The table shows attendance at each park.

Which park has 3 times the attendance of Universal in 2010?

PARK 2008 2009 2010 2011

DISNEY 118,000,000 119,100,000 120,600,000 121,000,000

UNIVERSAL 35,200,000 38,500,000 40,250,000 46,400,000

SEA WORLD 23,000,000 23,500,000 22,400,000 23,400,000

Use the box method to solve.

243 x 56

200 + 40 + 3

10,00050

+

6

Decompose the number to solve.

365 x 68

365 X (60 + 8)

3 6 5 3 6 5

x 8 x 6 0

++

Mrs. Huff is planting several sections of flowers with the garden club next month. She has purchased 4 flats

which each contain 12 plants.

Which is equal to 4 x 12?

a. ( 4 x 10 ) x ( 4 x 2 )

b. ( 12 x 6 ) + ( 12 x 6 )

c. 4(10 + 2)

d. 4 + 10 x 2

Mrs. Rem needs paints and canvas for an

art project. She took $350 to the store

and bought 7 tubes of paint at $13 each

and 9 canvases at $8 each. How much

money does Mrs. Rem spend?

How much money does she have

left over?

Mrs. Cedder is heading to Savannah.

It takes 4 hours to get there

at an average speed of 70 mph.

Mrs. Cedder always stops in Darian to

buy gas and get a bite to eat.

What are the total miles to Savannah?

Mrs. Bon is having her entire family over

for Thanksgiving dinner. She goes to

Party World and buys 8 packs of green

party cups. Each package contains

8 cups.

Which will help Mrs. Bon find out how

many cups she purchased?

8 + 8 8 + ( 4 x 4 )

8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 ( 4 + 4 ) x ( 4 x 4 )

All of 4th grade will compete in the

Spelling Bee.

There are 73 students that have signed

up for the Bee. There will be a total

of 6 teams. How many more students

need to sign up so there will be equal

numbers of students on each team?

What multiplication problem does this array show?

Decompose 243 x 56

(200 + 40 + 3) x (50 + 6)

200 x 50 = 10,000

200 x 6 = 1200

40 x 50 = 2000

40 x 6 = 240

3 x 50 = 150

3 x 6 = 18+

What multiplication problem does this array show?

Use Partial Products to Solve.

243

X 56

18

240

1200

150

2000

10,000+

What multiplication problem does this array show?