Maths Sept 6th - June

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Maths Flashcards (Sept 6th - June)
Revise these well. These flashcards are about everything you have learn (all topics) from the beginning of September up until now. Good Luck.
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Rounding numbers
Rounding numbers: Rule
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Round 0.214 to two decimal places
0 is not counted as a figure. E.g. A number with 1 sig.fig is 3000 because 3 is bigger and 0 isn't considered a figure.
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Round 5.481 to two decimal places
5.48
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Round 12.0782 to two decimal places
12.08
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Round 0.5666 to two decimal places
0.60
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Round 1.5236 to two decimal places
1.52
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Round 2.1256 to two decimal places
2.13
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Significant Figure
These also should be really easy. These should be really easy. 1-4 round down. 5+ round up.
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Round 6.45 to 1 s.f
6
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Round 7.9 to 1 s.f
8
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Round 5.6 to 1 s.f
6
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Round 62.1 to 1 s.f
60
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Round 0.00734 to two decimal places
0.007
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Significant Figure: Rule
When estimating a calculation, we always round the numbers to 1 s.f
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Estimating the value: Exam Questions
These should also be really easy.
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Estimating the value of 5.1 x 98
5 x 100 = 500
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Estimating the value of 68 x 401 / 198
= 70 x 400 / 200 = 280 / 2 = 140
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Estimating the value of 5.89 x 1.86
6 x 2 = 12
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Estimating the value of 19.25 / 3.8
20 / 4 = 5
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Estimating the value of 36.87 x 22.87
40 x 20 = 800
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Estimating the value of 9.7 / 3.5
10 / 4 = 2.5
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Other cards in this set

Card 2

Front

Rounding numbers

Back

Rounding numbers: Rule

Card 3

Front

Round 0.214 to two decimal places

Back

Preview of the front of card 3

Card 4

Front

Round 5.481 to two decimal places

Back

Preview of the front of card 4

Card 5

Front

Round 12.0782 to two decimal places

Back

Preview of the front of card 5
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