Expanded Form
Area
10, 100, 1,000 and estimating
Word Problem
Just do it!!
100

Write 7x26 in expanded form.

7x(20+6)

100

Draw the box for 83x6=?

       80      3

6

100

15x60=?

900

100

Kenny collected 25 boxes of Mac 'n Cheese for food drive, Matt collected 3 time than Kenny. How many boxes did Matt collect?

75 boxes

100

Solve 93x6=?

558

200

Write 48x37 in expanded form (you will earn an extra 100 if you write 2 steps)

48x37=48x(30+7)

         =(48x30)+(48x7)

200

Draw the box for 37x42=?

      30       7

40

2

200

210x420=?

88,200

200

Luca's team is decorating X'mas tree at school. They hanged string lights on 15 X'mas trees, each string has 70 lights. How many lights are there in all?

1,050 lights

200

Use area form to solve 582x9=?

5,238

300

What is the equation according to 52x(60+7)?

52x67

300

What is the equation according to the area shows?

            20           8

30

5

28x35  or  35x28

300

What is the best estimating of 68x8=?

560

300

Rudalph took 7 rides of 175 miles with Santa for preparing for X'mas Eve. How long did Rudalph traveled?

1,225 miles

300

Use expanded form to solve 3,216x4=?

12,864

400

Use expanded form to solve 58x7=?

58x7=(50+8)x7

       =(50x7)+(8x7)

       =350+56

       =406

400

Find out both equation and product according to the area.

          70             4

20      1,400        80

9        630           36

74x29=2,146

400

What is the best estimating of 56x44=?

2,400

400

Becky collected 26 trading cards, Lita's is 4 times as many as Becky's. How many trading cards did they collect in all?

130 cards

400

Use area strategy to solve 38x57=?

2,166

500

Use expanded form to solve 46x82=?

46x82=46x(80+2)

         =(46x80)+(46x2)

         =3,680+92

         =3,772

500

Fill in the missing number to complete.

           50           3

?       3,000        ??

8        400          ???

?     60

??   180

???  24

500

The biggest storage of iphone 1 is 16GB, the biggest storage of iphone 8 is 32 times more than that. About how many GB does iphone 8 have?

600

500

Austin got 29 trophies on Steam, Tyler got 11 times more. How many more trophies does Tyler have?

290

500

Please use partial product/traditional strategy to solve 68X93=?

6,324

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