Math busters (frac_dec_perc)

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Transcript of Math busters (frac_dec_perc)

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Let's play!

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F

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• Which is larger – ‘one half’ or 51%?Which is larger – ‘one half’ or 51%?

• 51%51%

Points to the Green TeamPoints to the Red Team

What Z? What Z?

• What Z is ‘one half’ as a decimal?What Z is ‘one half’ as a decimal?

• Zero-point-five (0.5)Zero-point-five (0.5)

Points to the Green TeamPoints to the Red Team

? ?

• Which is larger – 33% or ‘one third’?Which is larger – 33% or ‘one third’?

• ‘‘One Third’One Third’

Points to the Green TeamPoints to the Red Team

What T? What T?

• What T is ‘one quarter of twelve’?What T is ‘one quarter of twelve’?

• Three (3)Three (3)

Points to the Green TeamPoints to the Red Team

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• SimplifySimplify

4

316

12

Points to the Green TeamPoints to the Red Team

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• Simplify Simplify

21

18

7

6

Points to the Green TeamPoints to the Red Team

What F? What F?

• What F is 0.49 as a percentage?What F is 0.49 as a percentage?

• Forty-nine percent (49%)Forty-nine percent (49%)

Points to the Green TeamPoints to the Red Team

What F? What F?

• What F is ‘one fifth of seventy’?What F is ‘one fifth of seventy’?

• Fourteen (14)Fourteen (14)

Points to the Green TeamPoints to the Red Team

What D? What D?

• What D is the bottom number in a What D is the bottom number in a fraction?fraction?

• DenominatorDenominator

Points to the Green TeamPoints to the Red Team

What O? What O?

• What O is 100% as a decimal?What O is 100% as a decimal?

• One (1)One (1)

Points to the Green TeamPoints to the Red Team

What D? What D?

• What D precedes ‘point’ and ‘place’ and What D precedes ‘point’ and ‘place’ and is closely linked to fractions and is closely linked to fractions and percentages?percentages?

• DecimalDecimal

Points to the Green TeamPoints to the Red Team

What O? What O?

• What O is 152% as a decimal?What O is 152% as a decimal?

• One-point-five-two (1.52)One-point-five-two (1.52)

Points to the Green TeamPoints to the Red Team

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• Which is larger – ‘one half of twenty’ or Which is larger – ‘one half of twenty’ or ‘one quarter of forty-four’?‘one quarter of forty-four’?

• One quarter of 44 (11)One quarter of 44 (11)

Points to the Green TeamPoints to the Red Team

What Z? What Z?

• What Z is ‘one quarter’ as a decimal?What Z is ‘one quarter’ as a decimal?

• Zero-point-two-five (0.25)Zero-point-two-five (0.25)

Points to the Green TeamPoints to the Red Team

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• Which is larger – 9% or ‘one tenth’?Which is larger – 9% or ‘one tenth’?

• One tenth (10%)One tenth (10%)

Points to the Green TeamPoints to the Red Team

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• Which is larger – ‘seven tenths’ or Which is larger – ‘seven tenths’ or ‘three quarters’?‘three quarters’?

• Three quarters (0.75 or 75%)Three quarters (0.75 or 75%)

Points to the Green TeamPoints to the Red Team

What P? What P?

• What P is a mathematical term linked What P is a mathematical term linked closely to fractions and decimals?closely to fractions and decimals?

• PercentagesPercentages

Points to the Green TeamPoints to the Red Team

What Z? What Z?

• What Z is 2% as a decimal?What Z is 2% as a decimal?

• Zero-point-zero-two (0.02)Zero-point-zero-two (0.02)

Points to the Green TeamPoints to the Red Team

What O? What O?

• What O is 1.8 as a percentage?What O is 1.8 as a percentage?

• One-hundred-and-eighty!! percent One-hundred-and-eighty!! percent (180%)(180%)

Points to the Green TeamPoints to the Red Team

What N? What N?

• What N is the top number in a fraction?What N is the top number in a fraction?

• NumeratorNumerator

Points to the Green TeamPoints to the Red Team

What S? What S?

• What S is as a percentage?What S is as a percentage?

• Seventy-two percent (72%)Seventy-two percent (72%)

100

72

Points to the Green TeamPoints to the Red Team

What N? What N?

• What N is 0.09 as a percentage?What N is 0.09 as a percentage?

• Nine percent (9%)Nine percent (9%)

Points to the Green TeamPoints to the Red Team

What Z? What Z?

• What Z is 54% as a decimal?What Z is 54% as a decimal?

• Zero-point-five-four (0.54)Zero-point-five-four (0.54)

Points to the Green TeamPoints to the Red Team

What E? What E?

• What E is ‘one third of twenty-four’?What E is ‘one third of twenty-four’?

• Eight (8)Eight (8)

Points to the Green TeamPoints to the Red Team

What S? What S?

• What S is 77% of 100?What S is 77% of 100?

• Seventy-seven (77)Seventy-seven (77)

Points to the Green TeamPoints to the Red Team