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Number - Coggle Diagram
Number
Fraction
Add Fraction
$$\frac{1}{2} + \frac{1}{3} = \frac{3}{6} + \frac{2}{6}=\frac {5}{6}$$
Subtract Fractions
4/5-3/4=1/20
Multiply Fractions
$$\frac{3}{4} \times \frac{4}{5} = \frac {12}{20} = \frac {3}{5} $$
Divide Fractions
$$\frac{3}{4} ÷ \frac{4}{5} = \frac {3}{4} \times \frac{5}{4} = \frac {15}{16} $$
Fraction of an amount
$$\frac{2}{3} \times $60 = \frac{$120}{3}=$40$$
Simplify Fractions
$$\frac{32}{64}=\frac{16}{32}=\frac{8}{16}=\frac{4}{8}=\frac{2}{4}=\frac{1}{2}$$
Percentages
Add GST
The cost of a bike excluding G.S.T is $160. What is the price with G.S.T?
G.S.T is 15%
1.15x160= $184
Remove GST
The computer costs 1,536 with G.S.T. What is the cost without G.S.T.?
1,536 ÷ 1.15=$1335.65
Percentage of an amount
30% of 70=0.3 x 70 = 21
Increase
Increase 70 by 30%
1.3 x 70=91
Decrease
Decrease 70 by 30%
70x0.7=49
Decimal
Decimal Conversions
Decimals To Fractions
0.875 - 7/8
Recurring Decimals
Ratios
Spliting ratio's
Currency rate