Expressing missing numbers algebraically

Expressing missing numbers algebraically

Lesson details

Key learning points

  1. In this lesson, we will be finding the unknown values in algebraic expressions.

Licence

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4 Questions

Q1.
What would be the next term in this sequence? 4.5, 4.75, 5, 5.25, 5.5, 5.75
5.5
Correct answer: 6
6.25
6.5
Q2.
What is the term to term rule in this sequence? 9.2, 9.15, 9.1, 9.05
Correct answer: - 0.05
- 0.5
+ 0.05
+ 0.5
Q3.
What would be the previous term in this sequence? -3, -1, 1, 3, 5
-4
Correct answer: -5
6
7
Q4.
Look at the following sequence, which term below can not be part of that sequence? 56, 61, 66, 71, 76
1001
1006
1016
Correct answer: 1060

5 Questions

Q1.
t + 7 = 20 What is the value of t?
t = 10
t = 12
Correct answer: t = 13
t = 27
Q2.
If 5a = 35 What is the value of a?
30
40
6
Correct answer: 7
Q3.
How could we express the perimeter of the rectangle below?
Correct answer: 2(a + b)
4a
a + b
ab
Q4.
How could we express the perimeter of the square below?
2r
Correct answer: 4r
r + 4
r + s
Q5.
If 2f + 6= 20. What is the value of f?
6
Correct answer: 7
8
9

Lesson appears in

UnitMaths / Calculation problems