Expressions
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Area Model
Standard Algorithm
Conversions
100

Divide the difference between 1,200 and 700 by 5

(1200-700)รท5

100

48 x 12  O  50 twelves - 3 twelves

Greater Than

100

Draw an area model to solve.

52 x 12

624

Must have model

100

4.25 x 21

89.25

100

16 yards = _____ feet

48 feet

200

The sum of 3 fifteens and 17 fifteens

(3x15) + (17 x 15)

200

100 x 8  O 25 x (4x9)

Less Than

200

Draw an area model to solve.

84 x 27

2,268Must have model

200

256.12 x 54

13,830.48

200

14 weeks = ____ days

98 days

300

(560+440)x14

The sum of 560 and 440 times 14

or

Multiply the sum of 560 and 440

300

DOUBLE JEOPARDY!!!!!!!!


14 nines  O  10 nines + 8 nines

Less Than

300

Draw an area model to solve.

245 x 79

1,896

Must have model

300

1234 x 567

699,678

300

DOUBLE JEOPARDY!!!!


1hr 23 min 5 sec = ______ sec

4,985 Sec.

400

(12 x 5) - (32 x 5)

The sum of 12 fives and 32 fives

400

10 x (10 x 9)  O  100 x 9

Equal To

400

Draw an area model to solve.

3,456 x 789

2,726,784

Must have area model

400

192.8 x 564

108,739.2

400

23 Grams = ____ Kg


1gram= 0.001kg

0.023 Kg

500

(2300 -1500) x 16

Multiply the difference between 2300 and 1500 by 16

500

4 fifteens  O  (3-1) x 15

Greater Than

500

Draw an area model to solve.

7,835 x 1

7835

Must have Area Model

500

1557 X 508.1

791,111.7

500

98.5 L = ____ ml

98,500ml