1º ESO Maths Revision | Baamboozle - Baamboozle

What is 168 ÷ 4

42 (make it easy...68 ÷ 4 = 17, 100 ÷ 4 = 25, 17 + 25 = 42)

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On a morning walk you count 120 butterflies. 40% of the butterflies are white. How many are white?

48 (make it easy...10% = 12, 12 x 4 = 48)

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What is 8.45 + 6.62

15.07

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During a flood, a statue is covered 4/8 by water. After more rain another 1/4 is covered. How much of the statue can you now see?

1/4 (make it easy...4/8 simplified = 2/4. + 1/4 = 3/4 covered)

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There are 16 pieces of bread in a loaf. John eats 75% of them. How many are left?

4 (make it easy... 75% = 3/4. 1/4 of 16 = 4)

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One third of a cake is shared between 3 children. What fraction of the whole cake do they each get?

1/9 (make it easy...whole cake ÷ 3, each portion ÷ 3, 3 x 3 = 9)

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Jake has a coupon for half off the price of headphones. The headphones normally cost £104. How much are they with the coupon?

£52 (make it easy...104 ÷ 2 = 52)

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eraser

Reset score!

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gift

Win 10 points!

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gift

Win 10 points!

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baam

Lose 15 points!

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Tim has 10 balls in a box. 5 are red, 3 are white, 2 are black. Without looking, what is the percentage of probability that the ball he takes out is black??

20%

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The school running track is 1/4 mile. Lisa ran 2 1/2 miles. How many laps did she run?

10 laps (make it easy... 8 1/4s in 2 miles and 2 1/4s in 1/2 a mile. 8 + 2 = 10)

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thief

Give points!

shark

Other team loses 25 points!

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fairy

Take points!

thief

Give points!

thief

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rocket

Go to first place!

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rocket

Go to first place!

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thief

Give points!

15% of the students at Dan´s school travel to school by bus. If there ae 300 students at his school, how many come by bus?

45 (make it easy... 10% of 300 is 30, half of 30 is 15, so 30 + 15 = 45)

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In a bunch of 72 flowers, 1/3 are roses. How many roses are there?

24 (make it easy...72÷3 = 24)

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Sam got a 25% discount when he bought a computer game. The original price was £64. How much did he pay?

£48 (make it easy... 1/2 (50%) of 64 = 32. 1/2 of 32 = 16. So, 64 - 16 = 48)

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A crocodile has 80 teeth but you can only see 90% of them. How many can you see?

72 (make it easy...10% of 80 is 8. 8 x 9 = 72)

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