Free Printable Y9 2023 Standard Form

1.

Which of the number is written in standard form?

a)

$50\times10^3$

b)

$3\times10^{-4}$

c)

$3\times10^{2.1}$

d)

$0.9\times10^2$

2.

Which of the number is NOT written in standard form?

a)

$5\times10^{-3}$

b)

$3.3\times10^7$

c)

$12\times10^8$

d)

$1.9\times10^{-26}$

3.

Which of the number is equal to $5.5\times10^4$ ?

a)

$550$

b)

$55400$

c)

$550000$

d)

$55000$

4.

Write 400000 in standard form

a)

$400\times10^3$

b)

$0.4\times10^6$

c)

$4.0\times10^5$

d)

$4\times100^5$

5.

Write 0.07 in standard form

a)

$7\times10^2$

b)

$-7\times10^2$

c)

$7\times10^{-2}$

d)

$0.07\times10^1$

6.

Write $800\times10^4$ in standard form

a)

$80\times10^5$

b)

$0.8\times10^7$

c)

$8\times10^6$

d)

$8000\times10^3$

7.

Write $3\times10^4+6\times10^5$ in standard form

a)

$9\times10^5$

b)

$6.3\times10^4$

c)

$3.6\times10^5$

d)

$6.3\times10^5$

8.

Write $3\times10^2\times6\times10^5$ in standard form

a)

$9\times10^5$

b)

$1.8\times10^8$

c)

$3.6\times10^5$

d)

$18\times10^7$

9.

Express $3\times10^6-6\times10^5$ in the form $A\times10^6$ . Write down the value of A.

(a)

10.

Express $2\times10^{-4}-7\times10^{-5}$ in the form $A\times10^{-4}$ . Write down the value of A.

(a)

11.

Write the number 3200 in standard form.

a)

32 x 10²

b)

3.2 x 10²

c)

3.2 x 10³

d)

3.2 x 10⁴

12.

Write the number 45 000 000 in standard form.

a)

4.5 x 10⁷

b)

4.5 x 10⁶

c)

45 x 10⁷

d)

4 x 10⁸

13.

Write this as an ordinary number: 5.6 x 10³

a)

5600

b)

560

c)

0.56

d)

56000

14.

Write this as an ordinary number: 4.03 x 10⁵

a)

403 000

b)

4 030 000

c)

40 300

d)

400 000

15.

Which is the standard form of four million, two hundred twenty nine thousand, seven hundred four?

a)

4,229,704

b)

4,209,274

c)

42,009,704

d)

400,229,704

16.

Which number has the commas in the right places?

a)

3,326,3,85

b)

33,263,85

c)

3,326,385

d)

3,32,63,85

17.

What is standard form?

a)

Writing numbers as a

calculator writes numbers

b)

A system of writing

very large or very small numbers

c)

Writing numbers as decimals

18.

True or False:

When writing

a number in standard form,

the first number must be

greater than 1 but less than 10.

a)

FALSE

b)

TRUE

19.

True or False:

13.7 × 10³ is written in standard form.

a)

True

b)

False

20.

What is 6.7 × 10⁴ written

as an ordinary number?

a)

67000

b)

6700

c)

670000

d)

0.00067

21.

What is 45,000 written in standard form?

a)

45 × 10³

b)

4.5 × 10⁴

c)

4.5 × 10³

22.

How do you write
1001
in scientific notation?

a)

1.0001 x 10⁴

b)

1.01 x 10⁵

c)

1.001 x 10³

d)

10.1 x 10³

23.

The rule of scientific notation is to write all exponents with a base of ____.

a)

50

b)

5

c)

100

d)

10

24.

Write $3.75\times10^5$ in standard form

a)

It is already in standard form

b)

$375\times10^3$

c)

$37.5\times10^4$

d)

$0.375\times10^6$

Y9 2023 Standard Form

Total questions: 24

Worksheet time: 19mins

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