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

7x(20+6)

Write 7x26 in expanded form.

100

       80      3

6

Draw the box for 83x6=?

100

900

15x60=?

100

75 boxes

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

100

558

Solve 93x6=?

200

48x37=48x(30+7)

         =(48x30)+(48x7)

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

200

      30       7

40

2

Draw the box for 37x42=?

200

88,200

210x420=?

200

1,050 lights

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?

200

5,238

Use area form to solve 582x9=?

300

52x67

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

300

28x35  or  35x28

What is the equation according to the area shows?

            20           8

30

5

300

560

What is the best estimating of 68x8=?

300

1,225 miles

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

300

12,864

Use expanded form to solve 3,216x4=?

400

58x7=(50+8)x7

       =(50x7)+(8x7)

       =350+56

       =406

Use expanded form to solve 58x7=?

400

74x29=2,146

Find out both equation and product according to the area.

          70             4

20      1,400        80

9        630           36

400

2,400

What is the best estimating of 56x44=?

400

130 cards

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

400

2,166

Use area strategy to solve 38x57=?

500

46x82=46x(80+2)

         =(46x80)+(46x2)

         =3,680+92

         =3,772

Use expanded form to solve 46x82=?

500

?     60

??   180

???  24

Fill in the missing number to complete.

           50           3

?       3,000        ??

8        400          ???

500

400

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

500

290

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

500

6,324

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

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