Numeracy in Science – Standard Form Standard form is a way of writing very large numbers or very small numbers. It means that the numbers take up less space to write on paper and are easier to read. Which of these is an example of a number written in standard form? A 2300000000 B 2.3 x 108 C 0.000000023 D 2300000 x 10000

Numeracy in Science – Standard Form Standard form is written as a number multiplied by a power of ten. Examples of powers of ten are 101, 102, 103, 104 and 105. What does 105 mean? A 105 = 5 x 10 x 10 x 10 x 10 x 10 B 105 = 10 + 5 C 105 = 10 x 5 D 105 = 10 x 10 x 10 x 10 x 10

Numeracy in Science – Standard Form Standard form is written as a number multiplied by a power of ten. The number must be greater or equal to one, but less than ten. Which of these is NOT an example of a number written in standard form? A 2.3 x 105 B 4.86 x 10-4 C 63 x 104 D 1.053 x 10-2

Numeracy in Science – Standard Form In standard form, if the power of ten is positive it represents a large number, if the power of ten is negative it represents a small number. The more negative it is, the smaller the number. Which of these numbers is the smallest? A 2.3 x 105 B 4.86 x 10-4 C 6.3 x 104 D 1.053 x 10-2

Numeracy in Science – Standard Form In standard form, if the power of ten is positive it represents a large number, if the power of ten is negative it represents a small number. The more positive it is, the larger the number. Which of these numbers is the smallest? A 2.3 x 105 B 4.86 x 10-4 C 6.3 x 104 D 1.053 x 10-2

Numeracy in Science – Standard Form - ANSWERS Standard form is a way of writing very large numbers or very small numbers. It means that the numbers take up less space to write on paper and are easier to read. Which of these is an example of a number written in standard form? A 2300000000 B 2.3 x 108 C 0.000000023 D 2300000 x 10000

Numeracy in Science – Standard Form - ANSWERS Standard form is written as a number multiplied by a power of ten. Examples of powers of ten are 101, 102, 103, 104 and 105. What does 105 mean? A 105 = 5 x 10 x 10 x 10 x 10 x 10 B 105 = 10 + 5 C 105 = 10 x 5 D 105 = 10 x 10 x 10 x 10 x 10

Numeracy in Science – Standard Form - ANSWERS Standard form is written as a number multiplied by a power of ten. The number must be greater or equal to one, but less than ten. Which of these is NOT an example of a number written in standard form? A 2.3 x 105 B 4.86 x 10-4 C 63 x 104 D 1.053 x 10-2

Numeracy in Science – Standard Form - ANSWERS In standard form, if the power of ten is positive it represents a large number, if the power of ten is negative it represents a small number. The more negative it is, the smaller the number. Which of these numbers is the smallest? A 2.3 x 105 B 4.86 x 10-4 C 6.3 x 104 D 1.053 x 10-2

Numeracy in Science – Standard Form - ANSWERS In standard form, if the power of ten is positive it represents a large number, if the power of ten is negative it represents a small number. The more positive it is, the larger the number. Which of these numbers is the largest? A 2.3 x 105 B 4.86 x 10-4 C 6.3 x 104 D 1.053 x 10-2