1
Q
How do you estimate?
A
Round each number to 1significant figure. Then work out the new calculation.
2
Q
Estimate 35.2 x 518.9
A
~ 40x500
~20000
3
Q
Estimate 651x46.1/0.49
A
~700x50/0.5 ~35000/0.5 ~350000/5 ~70000/1 ~70000
Math - GCSE lots!
flashcards
Decks in class (24)
# Cards
-
Angles - Term 124
-
Fractions - Term 115
-
Circle Theorem - Term 113
-
LCM And HCF- Term 17
-
Indicies- Term 14
-
Powers- Term 14
-
Simplifying and Expanding- Term 215
-
Factorising- Term 218
-
Decimals- Term 239
-
Surds and decimals and stuff- Term 215
-
Rounding To Significant Figures12
-
Estimating3
-
Compound Measures31
-
Conversion17
-
Solving Equations31
-
Equation Of A Line20
-
Pythagorus Theorem5
-
Triganometry33
-
Shape30
-
Graphs And Evaluation9
-
Probability11
-
Set notation44
-
Volume + surface area26
-
Percentages14
