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Copy of Maths Revision
53
Multiplying Fractions...
Adding Fractions...
The Calculation
Simplify the fraction
Multiply the numerators
Multiply the denominators
Arithmetic - Moving the answer box...
Add the numerators
Simplify the fraction
The calculation
Make the denominators the same (Multiplication)
This is the same as multiplying the top number and the whole number and leaving the denominator
The Calculation
Multiply the numerators and the denominators
5 is 5 over 1 (5 wholes)
This means half of 7, so 7 divided by two!
Maths Revision
19th November 2018
It doesn't matter where the answer box is, the calculation is still the same!
___________ = 8060 - 768.32
___________ = 456 + 376
Subtracting Fractions...
Dividing Fractions...
___________ = 1 - 0.573
Simplify the fraction
Flip it!
The calculation
Simplify it!
Subtract the numerators
Switch it - multiply the top and bottom numbers
The calculation
Make the denominators the same (Multiplication)
Multiply the denominator by the whole number
___________ = 6000 - 325
___________ = 6743 x 12
___________ = 673 x 4
Adding and Subtracting Decimals
d) 40 - 23.89 =
a) 4.6 + 3.9 =
b) 7.79 - 3.6 =
e) 120 - 34.97 =
c) 67 + 32.78 =
The 4 operations...
Subtraction
30 402 + 18 999 =
Addition +
13 345 + 3428 =
Multiplication x
326 x 7 = 34 x 27 =
Division
3678 8 = 345 14 =
Arithmetic - Square Numbers
Silly Mistakes!!!!
345 x 0 =
BODMAS
a. (4+5) x 7 =
345 0 =
Why would this person lose the mark?
B - brackets
O - Order (squared)
D - Division
M - Multiplication
A - Addition
S - Subtraction
b. (3x6) x (6x5) =
c. 6 + 7 x 3 =