Mental Math General Flashcards

1
Q

Half of 20

A

10

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2
Q

Half of 8

A

4

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3
Q

Half of 6

A

3

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4
Q

Half of 4

A

2

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5
Q

Half of 10

A

5

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6
Q

Half of 1000

A

500

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7
Q

Half of 200

A

100

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8
Q

Half of 50

A

25

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9
Q

3/5 = ?

0.25 0.5 0.75 1

A

0.75

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10
Q

1/2 = ?

0.25 0.5 0.75 1

A

0.5

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11
Q

1/4 = ?

0.25 0.5 0.75 1

A

0.25

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12
Q

How many mm are there in 1 dm?

1 dm = ?? mm

A

100

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13
Q

How many cm are there in 1 dm?

1 dm = ?? cm

A

10

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14
Q

How many mm are there in 1 cm?

1 cm = ?? mm

A

10

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15
Q

Quarter of 1000

A

250

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16
Q

Quarter of 100

A

25

17
Q

Quarter of 10

A

2.5