Addition and Subtraction in standard form

Addition and Subtraction in standard form

Lesson details

Key learning points

  1. In this lesson, we will learn to add and subtract numbers written in standard form, giving your answer as both ordinary numbers and in standard form.

Licence

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8 Questions

Q1.
6 x 10^3
6 x 10^6
8 x 10^3
Correct answer: 8 x 10^6
Q2.
Correct answer: 2.1 x 10^10
2.1 x 10^9
21 000000000
21 x 10^9
Q3.
Correct answer: 4 x 10^9
40 x 10^8
40 x 10^9
4000000000
Q4.
0.00002
0.5 x 10^-5
Correct answer: 2 x 10^-5
2 x 10^5
Q5.
0.00000000004
1.6 x 10^-10
Correct answer: 4 x 10^-10
4 x 10^-2
Q6.
7
70
8
Correct answer: 9
Q7.
Correct answer: 3.5 x 10^14
3.5 x 10^15
35 x 10^13
35000000000000
Q8.
0.08
0.8 x 10^-1
0.8 x 10^-2
Correct answer: 8 x 10^-2

7 Questions

Q1.
Correct answer: 1.3 x 10^5
13 x 10^5
4 x 10^20
4 x 10^9
Q2.
2.3 x 10^1
8.01 x 10^5
8.1 x 10^10
Correct answer: 8.1 x 10^5
Q3.
-2.3 x 10^1
Correct answer: 2.3 x 10^5
23 x 10^4
230000
Q4.
-3 x 10^-8
2.84 x 10^-3
Correct answer: 2.94 x 10^-3
3 x 10^2
Q5.
0.34 x 10^2
Correct answer: 3.4 x 10^1cm
3.48 x 10^2cm
34cm
Q6.
1 x 10^13
Correct answer: 1 x 10^7
10 x 10^ 6
10 x 10^12
Q7.
0
Correct answer: 4.04 x 10^1
4.4 x 10^1
8

Lesson appears in

UnitMaths / Indices and standard form