Unit 2

Review and Practice

Mrs. Witt can make 30 cupcakes out of one box of cupcake mix. If she uses 6 boxes of mix, how many cupcakes can she make?

180 cupcakes

Emme reads 20 minutes per day. If she reads 14 days in a row, how many minutes does she read in all?

20 x 14 280 minutes

Lauren uses 167 rubber bands on each bracelet. If she wants to make 8 bracelets, how many rubber bands will she need?

1,336 rubber bands

Tyler completes 48 math facts in one minute for his Mastering Math Facts tests. If he completes 5 one-minute tests each week, how many facts can he complete in a week?

240 facts

Use the distributive property to find 6 x 28

(6 x 20) + (6 x 8) = 168

http://vimeo.com/34683858#t=0

Click the link below to watch a video about the distributive property:

Solve: (6 x 30) + (6 x 8) = 6 x _____

38

Write 4 x 349 using the distributive model:

(4 x 300) + (4 x 40) + (4 x 9) =

Write 7 x 8 three different ways:

8 x 7

7 + 7 + 7 + 7+ 7 + 7 + 7 + 7

8 + 8 + 8 + 8 + 8 + 8 + 8

Ms. Utz wants to install a new rug in her living room. If the room is 37 feet long by 20 feet wide, what size area rug should put in? Can she install a rug that's 1,000 square feet?

740 square feet

No

Tim Hortons sells 7,489 Timbits every weekend. Round that number to the nearest thousand.

7,000 Timbits

Solve: (7 x 300) + (7 x 80) + (7 x 6) =

2,702

Mrs. Schaefer, Mrs. Madison. Mrs. Witt, and Miss Utz took Mrs. Brunner out for a special treat. Each person ordered milkshakes and cupcakes. If they had $50 to pay for the special treat, how much will they have left over?

Milk shake $4Coffee $1

Pop $1Pies $3

Cupcakes $2

$20 left

Draw an area model to solve:

83 x 76

80 + 3 70 + 6

18

5600 210

480

= 6,308

There are 52 weeks in one year. If Mikey turned 8 today, estimate how many weeks old Mikey is.

50 x 8 400 weeks

Write another way to show 20 + 20 + 20 + 20 =

20 x 4 = 100

Mya has 9 packages of hair bows with an average of 68 small flowers

in each package. Estimate the total number of small flowers

Mya has.

70 x 9 = 630 small flowers

Draw an area model to solve:

53 x 42

50 + 3 40 + 2

6

2000 120

100

= 2,226

Helen walked 23 minutes a day, 3 days a week. How many minutes did she walk in a month (4 weeks)?

23X369

minutes

69X4276

minutes

Estimate each addend:

362 + 1,876

400 + 2,000

Mr. Schaefer uses 1,346 pieces of wood to build a deck. If he wanted to build two decks, how many pieces of wood would he need?

1,346X 22,692

pieces of wood

Bret has 6 colors of rubber bands with an average of 52 rubber

bands for each color. Estimate the total number of rubber bands Bret

has.

50 x 6 = 300 rubber bands

Write an equation that describes the array modeled below:

6 x 18