mfm1p u1 d5 proportions warmup -...
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MFM1P U1_D5
Proportions Warmup
Decide if each pair of ratios forms a proportion. Write Yes or No.
a) 3 18
,7 42
b) 1 5
,8 13
c) 2.3 13.8
,1.2 7.2
Use the cross product to find the missing number in the proportions.
a) 2 18
63x b)
7 35
12 y c)
5
8 56
m
a) The ratio of boys to girls in Grade 9 at Escarpment High is 7:6. There are 192 girls in the grade. How many boys are there?
b) On a motorbike trip, Glen travelled 360 km in 5 hours. At that rate how far could he travel in 8 hours?
c) On a map, 1.5 cm represents 13 km. What is the approximate distance between Toronto and Hamilton if the distance between them on the map is 31.2 cm?
d) If it were possible to drain all the water from a 90 kg person, his dehydrated body would have a mass of 40 kg. Using this ratio, what would the mass of tissue be for a 117 kg person?
MFM1P U1_D5
MFM1P U1_D5
Across 2. money that is paid for the use of money, usually according to a predetermined percent 7. money - bills and coins 8. the number of parts per 100; the numerator of a fraction with denominator 100 9. a fee or payment given to a salesperson, usually a specified percent of the person's sales 10. money added to a total purchase and is collected for the government 11. a comparison of two or more quantities with the same units Down 1. the term below the line in a fraction 3. an indicated quotient of two quantities 4. the term above the line in a fraction 5. an amount of money deducted from the overall price, usually noted as a percent 6. a statement that two ratios are equal 11. a comparison of two quantities with different units
ratio tax interest percent
commission improper rate Denominator
discount proportion Units fraction
markup currency numerator quantity
Currency Crossword
MFM1P U1_D5
CURRENCY CONVERSION
Country Money Exchange rate (per CAD)
Britain Pound (£) 0.643477£ / CAD
France Euro (€) 0.737266€ / CAD
Mexico Pesos ($) $13.1755 / CAD
Uganda Shilling (USh) 2826.12 USh/ CAD
Japan Yen (¥) 78.0041¥ / CAD
1. $5 CAD = £
2. 5000 ¥ = CAD
3. $10 CAD = €
4. 25 000 USh = CAD
5. $50 CAD = $Pes
6. 850 € = CAD
7. $150 CAD = USh
8. 700 £ = CAD
9. $1000 CAD = ¥
10. $500 Pes = CAD
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