This week we have a maths test, so we were tasked to look through this revision doc. There was work from all the things we have learnt this year.
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Riveting Revision
WALT: revise our learning and apply our skills in a range of concepts
We are revising our previous learning!
5 ^2 = 25
6 ^3= 216
√25 = 5
√81= 9
√64 = 8
Place value revision
Decimal revision
What is 0.15 x 10? 1.5
What is 1000 x 10? 10000
What is 1 ÷ 10? 0.1
What is 1 ÷ 100? 0.01
0.2 ÷ 10 = 0.02
How many 10s are in 231?
23.1
How many thousands are in 1345?
1.345
How many hundreds are in 2354?
23.54
How many mm are in a cm?
10mm=1cm
How many cm are in a m?
100cm=1m
How many g are in a kg?
1000g=1kg
How many ml are in a L?
1000ml=1L
145mm + 5 cm = 19.5 cm
155 mm + 1.5 cm = 17 cm
1km + 550m= 1550m
Which of these are the largest?
11 230 mm
1095 cm
108.9 m
0.1km
Shape Revision
Perimeter Revision
Area and Volume Revision
What are the properties of a triangle? Three Sides, Three Angles, Three vertices
What do the angles of a triangle add up to? 180 degrees
What is the area of this shape? Its height is 7cm and its base is 5cm. Area – 35
What are the properties of a cube? 6 faces, 12 sides, 8 vertices and 24 angles
Its sides are 12cm long. What is its volume? 1728
Each side of a square is 5cm long.
What is its perimeter? 60cm squared
What is its area? 150cm squared
The radius is 5. What is the area of the circle? 31.4
2875 – 1967 = 908
90+89+75+ 84 = 338
?- 450 = 962 (?=512)
Percentage Revision
Write 70/100 as a percentage 70%
Write 40/200 as a percentage 20%
What is 15 percent of 300 5%
Fraction Revision
½ + ⅙ = 4/6
⅓ + 1/ 6 = 3/6
⅕ + ¼ = 9/20
What is a number in between 2/10 and ½? 3
47.03 + 1.97 = 49
0.5 = 50%
25% = 0.25
¼ = 25%
Put the following in order from smallest to biggest:
0.1, 0.07, 0.21, 0.3, 0.076/ 0.07,0.076,0.1,0.21,0.3
55 – 45.5 = 9.5
1.34 + 4.34 = 5.68
Allen wants to use the computer for one hour at an internet cafe – which is the cheapest rate?
- 16 cents a minute
- $5.60 an hour
- $2.30 per 20 minutes
- 50 cents per 5 minutes
- $3.60 per 30 minutes
Ratio Revision
If 6 packets of lollies cost the same as 4 cookies, how many packets of lollies would cost the same as 10 cookies? 15
Mean, median, mode and range
5, 5, 6, 4, 5, 6, 7, 5
What is the range of these numbers? 3
What is the average of these numbers? 5
What is the median of these numbers? 5
What is the mode of these numbers? 5
Probability
What is the probability that a die will land on a six?
⅙
What is the probability that a coin will land on heads?
50%
I want to know whether there are more boys or girls in year eight at PES. Can I figure this out by looking at the year eights in room 4? How would I work this out?
You could count the average number of year 8 girls and boys in room 4. Then multiply this by the amount of classes in year 8.
_ – 55 = 92. (_=37)
Interpreting graphs
How can you interpret this graph?
Sue spent about 2 hrs at her destination
How can you interpret this graph?
Golden retrievers are the most common breed of dog at the dog park.
How can you interpret this graph?
Most men are heavier and taller than the females in this graph.
9 minutes
Bob gets to Church Street at 08.15, what train should he catch? Train 2
6
What is the coordinate of the heart? 5,1
The square moves 2 places left and one place up. What is it’s new coordinate? 3,4
The triangle is reflected across line y = 7 . What is the location of the reflection? 2,8
-2 + – 3 = -5
1 – 5 = -4
The rule is: For every 1 added, 3 more are added to the bottom row.
The 20th number in the pattern is: 20 (to prow) 58 (bottom row)
What is the rule for this pattern?
For every blue star added the same amount is mirrored on the other side of the red star.
What would the next two numbers in the pattern be?
4 (top column) 9 (bottom column)
What would the 100th number be?
100 (top column) 201 (bottom column)
T x 2 = 20
T x 5= 50
7 x B = 65
2 x B = 16
Angles
Estimate the size of angle a 45 degrees
Estimate the size of angle b 135 degrees
What do the interior angles of a triangle add up to? 180 degrees