Division
Multiplication
Convert
Estimate * Rounding
Fractions
100

Divide:


36/3 = 

12

100

Answer:

11 * 10 =
12 * 10 =
13 * 10 = 

110
120
130

100

31 meters to centimeters

1 m = 100 cm

3100 cm

100

Round to the nearest ten thousand


87,673

90,000

100

Add:

1/2 + 1/2 

1 or 2/2

200

Divide:

144/4

36

200

Answer:

12 x 2 =
12 X 3 =
12 X 4 =
12 x 5 = 

24
36
48
60

200

1300 cm to meters


1 m = 100 cm

13 meters

200

Round to the nearest ten:


123,456,742

123,456,740

200

Subtract and simplify:

3/4 - 1/4 =

1/2 in simplest form. 

300

Divide:


41/3


13 r 2

300

1000 x 1000 = 

1,000,000

300

10000 mm to meters


1000 mm = 1 m


10 meters

300

Estimate:

793 + 201

about 1000

300

Change to improper fraction:


             1 3/4

7/4

400

Divide:

41/7 

5 remainder 6

400

Multiply:

145 x 87 = 

12, 615

400

2 kilometers to meters


1000 m = 1 km

2000 meters

400

Estimate:


1004 + 198 + 201

1400

400

Multiply:

1/8 * 1/7 =

1/56

500

Divide:
12/6 =
24/12 =
24/2 =
12/2 =
36/3 =
36/12 =

2
2
12
6
12
3

500

Multiply:
12 x 12 =

11 x 11 =

10 x 10 =

9 x 9 =

8 x 8 = 

144
121
100
81
64

500

12 cm to millimeters (mm)


100 cm = 1 m

1000 mm = 1 m

120 mm

500

Round to the nearest hundred thousand:


1, 982, 765

2 million

500

Change to a mixed number 41/3

13 and 2/3

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