Simplifying algebra
a + a + a - a
2a
How do we calculate the range?
Largest number - smallest number
What's the sum of angles on a straight line?
180°
Simplify the fraction 99/110
9/10
Simplify the following ratio
45:9
5:1
2b + 3c - b + 5c
b + 8c
Scores for a Y7 test: 19, 20, 22, 22, 25, 36, 40, 44, 45
Identify the median score
25
What's the sum of angles around a point?
360°
Convert 0.26 into a percentage
26%
Simplify the following ratio
36:18:60
6:3:10
a² + a² + 2a²
4a²
Scores for a Y7 test: 19, 20, 22, 22, 25, 36, 40, 44, 45
Identify the modal score
22
In a triangle, two of the angles are 90° and 36°. What is the size of the third angle?
54°
Convert 99.9% into a decimal
0.999
Haru and Aylin share 180 sweets in the ratio 5:1
How many sweets does Haru get?
150 sweets
15a - 7b - 12a + 11b
3a + 4b
Time spent revising (h): 1.1, 1.2, 3.4, 6.0, 2.0, 2.4
Identify the range
6 - 1.1 = 4.9
What is the main feature of co-interior angles?
They sum to 180°
What is 4/5 x 3/5
12/25
Grady and James share some Rick Astley music listening time in the ratio 3:4. In total they listen for 14 hours. How many hours do they each listen for?
G:J
6:8
3a² + 15a + 25 + a² - 7 + 12a
4a² + 27a +18
Time spent revising (h): 1.1, 1.2, 3.4, 6.0, 2.0, 2.4
Find the mean time spent revising
2.68333333...
Name two types of angle relationships (such as co-interior angles).
- corresponding angles
- alternate angles
- vertically opposite angles
What's 3/8 ÷ 1/2
6/8-->3/4
Abdul and Albert shared some books in the ratio 4:9.
Abdul received 52 books. How many books did Albert receive?
117 books