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NZ Year 10 / Year 11 Number Questions AS91026 Flashcards | StudBud
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NZ Year 10 / Year 11 Number Questions AS91026
NZ Year 10 / Year 11 Number Questions AS91026
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#NCEA #Level1 #AS91026 #Number #Mathematics #Fractions #Decimals #Rates #Ratios #StandardForm
Flashcards
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Questions
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Answers
1
What is 3 sevenths plus 4 ninths?
7 sixteenths
Who knows really
55 sixty thirds
31 twenty thirds
2
Usual price is $150. What is the sale price after a 15% discount?
$140
$135
$22.50
$127.50
3
15% of your money is left and that is $20. How much did you have originally?
$137
$120.85
$133.33
$123
4
Find half of two thirds of three quarters.
Six twenty fourths
One quarter
One twenty fourth
Four sixths
5
Round 0.003467 to 2sf.
0.0035
0.0034
0.00
0.003
6
Write 3 150 000 000 in standard form.
315 x 107
3.15 x 10-9
3.15 billion
3.15 x 109
7
6 dogs eat 5 pizzas shared equally. One dog only eats 3 quarters of theirs. How much is left?
5 sixths
I doubt a dog would leave pizza.
6 twentieths
5 twenty fourths
8
If the average person uses 180 L of water a day what would a family of four use in a month?
About 20 000 L
About 25 000 L
About 2 880 L
Depends on assumptions
9
A car uses 15 L per 100 km before a service. Afterward, 14 L per 100 km.What is the % change?
1/14 %
6.7% decrease in fuel useage
1/15
6.7% increase in fuel useage
10
If the average number of pipis in a square metre of beach is 5.2, what area contains 100 pipis?
0.052 m2
20.2 m2
520 m2
19.23 m2
11
Write a simplified ratio that represents 10 people needing 5 cars and 360 L of fuel for a trip.
people : cars : fuel = 1 : 0.5 : 3.6
people : cars : fuel = 10 : 5 : 360
people : cars : fuel = 10 ÷ 5 × 360
people : cars : fuel = 2 : 1 : 72
12
Oil is put in petrol to make a fuel mix oil:petrol 1 : 20. How much oil in 10L of mixed fuel?
0.476 L
0.5 L
0.05 L
19.5 L
13
An investment of $2000 is compounded annually at a rate of 7% pa. How much after 6 years?
$3001.46
$840
$2840
$48275.13
14
A business has made sales of $2550 for a week including GST. How much is the GST included?
$332.61
$2932.50
$382.50
$2217.39
15
Write 0.000678 in standard from.
6.78 x 10-4
6.78 x 104
6.78 x 10-5
6.78
