Numbers - Math

Numbers - Math

by Ms Shan

​Numbers

​- Whole numbers (a number without fractions; an integer)

​- Prime numbers (a number that is divisible only by itself and 1 (e.g. 2, 3, 5, 7, 11)

​- Composite numbers (a positive integer that can be formed by multiplying two smaller positive integers)

​- Prime factorisation

​- Real numbers

​- Rational numbers

​- Irrational numbers

Fill in the Blanks

4 x -4=

Open Ended

​Write down all the prime numbers between 1 to 20

Open Ended

Why is 29 a prime number?

Open Ended

List 2 consecutive prime numbers

Fill in the Blanks

Give the sum of the first 4 even numbers

Fill in the Blanks

Give the sum of the first 4 odd numbers

​Integers

​Addition and Subtraction

Fill in the Blanks

5 - (9)=

Fill in the Blanks

(-3) - 8=

Fill in the Blanks

(-7) - 5=

Fill in the Blanks

(-3) - (5)=

Fill in the Blanks

(+9) - (-5)=

Fill in the Blanks

(-9) + (-6)=

​Integers

Multiplication and Division

​

Fill in the Blanks

-1 x 8=

Fill in the Blanks

-1 x -8=

Fill in the Blanks

(-9) x (-6)=

Fill in the Blanks

(-1) x (-9)=

Fill in the Blanks

(-3) x (-8)=

Fill in the Blanks

4 x (-4)=

​Significant Figures

1. ​No zeros are significant

2. ​Zeros between significant figures are significant

3. ​Trailing zeros after the decimal point are significant

​Significant Figures

1. ​No zeros are significant

2. ​Zeros between significant figures are significant

3. ​Trailing zeros after the decimal point are significant

​Significant Figures

1. ​No zeros are significant

2. ​Zeros between significant figures are significant

3. ​Trailing zeros after the decimal point are significant

​Rounding to 1 Significant Figures

1. ​No zeros are significant

2. ​Zeros between significant figures are significant

3. ​Trailing zeros after the decimal point are significant

Fill in the Blanks

Round these numbers to 1 significant figure (1s.f.)

172

Fill in the Blanks

Round these numbers to 1 significant figure (1s.f.)

182

Fill in the Blanks

Round these numbers to 1 significant figure (1s.f.)

137

Fill in the Blanks

Round these numbers to 1 significant figure (1s.f.)

582

Fill in the Blanks

Round these numbers to 1 significant figure (1s.f.)

73.62

Fill in the Blanks

Round these numbers to 1 significant figure (1s.f.)

52.7

Fill in the Blanks

Round these numbers to 1 significant figure (1s.f.)

1627

​Rounding to 2 Significant Figures

1. ​No zeros are significant

2. ​Zeros between significant figures are significant

3. ​Trailing zeros after the decimal point are significant

Fill in the Blanks

Round these numbers to 2 significant figure (2s.f.)

172

Fill in the Blanks

Round these numbers to 2 significant figure (2s.f.)

127

Fill in the Blanks

Round these numbers to 2 significant figure (2s.f.)

609

Fill in the Blanks

Round these numbers to 2 significant figure (2s.f.)

442

Fill in the Blanks

Round these numbers to 2 significant figure (2s.f.)

2187

Fill in the Blanks

Round these numbers to 2 significant figure (2s.f.)

3019

Fill in the Blanks

Round these numbers to 2 significant figure (2s.f.)

12.6

Fill in the Blanks

Round these numbers to 2 significant figure (2s.f.)

31.25

​Rounding to 3 Significant Figures

1. ​No zeros are significant

2. ​Zeros between significant figures are significant

3. ​Trailing zeros after the decimal point are significant

Fill in the Blanks

Round these numbers to 3 significant figure (3s.f.)

273.7

Fill in the Blanks

Round these numbers to 3 significant figure (3s.f.)

8237

Fill in the Blanks

Round these numbers to 3 significant figure (3s.f.)

635.2

Fill in the Blanks

Round these numbers to 3 significant figure (3s.f.)

0.3837

Fill in the Blanks

Round these numbers to 3 significant figure (3s.f.)

5.372

Fill in the Blanks

Round these numbers to 3 significant figure (3s.f.)

1.736

Number Patterns​

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