Week 10 GCSE Algebra
Presentation
•
Mathematics
•
6th - 8th Grade
•
Medium
+1
Standards-aligned
Tracey Bates
Used 4+ times
FREE Resource
17 Slides • 19 Questions
1
algebra
Week 10
2
today
Objectives
Recap simplifying what can you remember?
Substitution
Linear Equations
3
Multiple Choice
4
Multiple Choice
5
Multiple Choice
6
Multiple Choice
7
Multiple Choice
8
Multiple Choice
9
Multiple Choice
10
Multiple Choice
4(2t - 5)
8t - 20
8t - 5
6t - 20
8t + 20
11
Multiple Choice
12
Multiple Choice
Factorise:
8x + 12
4(x+2)
8(x+4)
4(x+3)
4(2x+3)
13
Multiple Choice
x² + 5x + 6, What two numbers multiply together to give 6 but when added together give 5 ?
1 and 4
1 and 6
2 and 3
0 and 5
14
substitution
15
substitution
16
substitution
17
substitution
18
your turn
write in books
in time given
19
your turn
20
Multiple Choice
a + b
21
Multiple Choice
-10
1
-5
10
22
Multiple Choice
let a = 10 and b = -4,
calculate 2a + 4b
36
4
-4
28
23
Fill in the Blanks
Type answer...
24
solving
An equation is made up of two parts that are equal to each other, where at least one of those parts is an algebraic expression.
To show that both parts are equal, we write them with an equals sign between them. Each of the three examples below is an equation
solving
25
solving
solving
There are a few important things to remember when rearranging:
You must always do the same thing to both sides of the equation.
To ‘get rid’ of something, do the opposite (use its inverse).
The inverse of + is – and the inverse of – is +.
The inverse of × is ÷ and the inverse of ÷ is ×.Finally, you must keep going until you have a letter on its own.
26
solving
solving
There are a few important things to remember when rearranging:
You must always do the same thing to both sides of the equation.
To ‘get rid’ of something, do the opposite (use its inverse).
The inverse of + is – and the inverse of – is +.
The inverse of × is ÷ and the inverse of ÷ is ×.Finally, you must keep going until you have a letter on its own.
27
solving
solving
Sometimes, an equation might have an algebraic term (a letter) and a number on the same side. You must still use the same method, but with an extra step.
28
your turn
write in books
in time given
29
your turn
30
Multiple Choice
Solve the equation
x = 1
x = 0.5
x = 3.5
x = 2
31
Multiple Choice
Solve the equation
x = 3
x = 7
x = 4
x = 5
32
Multiple Choice
Solve the equation
x = 4
x = 2
x = 4.1
x = -4
33
Multiple Choice
Solve the equation
x = 8
x = 6
x = -5
x = 2
34
your turn
page 42/43 of books
"using Numbers"
35
your turn
36
*MathsWatch
*Mastery Mountain
*Work in Using Numbers Book
Book Complete Gaps
The End
algebra
Week 10
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