Math Games

Secondary 1 - Number and Algebra

Standard 7.NA.3 - Practice calculating the percentage in a word problem.

Included Skills:

Percentage
• 3.1 expressing one quantity as a fraction or decimal
• 3.2 expressing one quantity as a percentage of another
• 3.3 comparing two quantities by percentage
• 3.4 percentages greater than 100%
• 3.5 increasing/decreasing a quantity by a given percentage (including concept of percentage point)
• 3.6 finding percentage increase/decrease
• 3.7 reverse percentages
• 3.8 problems involving percentages
• 3.9 Collect examples of percentages from newspapers and magazines and discuss the meaning of percentage in each example.
• 3.10 Examine bills and receipts, ect. to find examples of the uses of percentages, e.g. discount, service charge, GST and other taxes and check the calculated values.
• 3.11 Make connections between percentages and fractions/decimals, e.g. "25% of a quantity is 1/4 of the quantity". "20 % of x is 0.2x".
• 3.12 Discuss misconceptions, e.g. "A is 5% more than B, then B is 5% less than A".