Week 16 Fractions Part 3

FRACTIONS

1. Recap

2. Adding and Subtracting fractions with different denominitators

3. Ordering Fractions

Multiple Choice

What is the missing number?

• 15
• 18
• 21
• 24
• 30

Multiple Choice

What is the answer?

• 1/3
• 3/4
• 4/5
• 1/2
• 2/5

Multiple Choice

What is the answer?

• 5/8
• 3/8
• 1/2
• 1/4
• 1/8

Multiple Choice

¼ × ⅚ =

• ¹/₄
• ⁶/₂₀
• ⁵/₂₄
• ³/₂₀

Multiple Choice

12 x ⅓ =

• 4
• 36
• ⅞
• ¹/₃₆

Multiple Choice

Divide these fractions

• 8 / 2
• 54 / 4
• 9 / 2
• 9 / 24

Multiple Choice

2/5 divided by 3/4

• 8/15
• 6/20
• 3/10
• 3/20

​Fractions with different denominators

​You can add or subtract fractions with different denominators by first writing them as equivalent fractions with the same denominator.

​Fractions with different denominators

​You can add or subtract fractions with different denominators by first writing them as equivalent fractions with the same denominator.

​Find the lowest common multiple for 3 and 4

​Find the lowest common multiple for 10 and 6

​30

​12

​Fractions with different denominators

​Your turn answer these

​Fractions with different denominators

​Your turn answer these

Multiple Choice

Work out $$\frac{1}{10}+\ \frac{3}{5}$$

• $$\frac{4}{15}$$

• $$\frac{8}{10}$$

• $$\frac{6}{10}$$

• $$\frac{7}{10}$$

Multiple Choice

Work out $$\frac{2}{3}-\frac{1}{4}$$

• $$\frac{3}{4}$$

• $$\frac{5}{12}$$

• $$\frac{5}{8}$$

• $$\frac{5}{10}$$

Math Response

Answer this May 2024 GCSE exam question thats worth 2 marks: Work out $$\frac{5}{12}+\frac{1}{6}$$

Type answer here

Correct Answer: \frac{7}{12}

Deg^°

Rad

​Ordering Fractions

• Find a common denominator if they havent one

• Compare the common denominator

• Rewrite the Fractions

​The same so compare then rewrite

​Ordering Fractions

• Find a common denominator if they havent one

• Compare the common denominator

• Rewrite the Fractions

​Different turn the bottoms into 10 

​Ordering Fractions Your Turn

​1)



2)


Extension:

​Ordering Fractions Your Turn

​1)



2)


Extension:

Reorder

Put the fractions in order from smallest to largest

• $$\frac{1}{6}$$

• $$\frac{1}{5}$$

• $$\frac{7}{30}$$

• $$\frac{4}{15}$$

• $$\frac{1}{3}$$

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Reorder

Put the fractions in order from smallest to largest

• $$\frac{3}{5}$$

• $$\frac{19}{30}$$

• $$\frac{2}{3}$$

• $$\frac{11}{15}$$

• $$\frac{5}{6}$$

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Reorder

Put the fractions in order from smallest to largest

• $$\frac{11}{20}$$

• $$\frac{3}{5}$$

• $$\frac{5}{8}$$

• $$\frac{7}{10}$$

• $$\frac{3}{4}$$

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Open Ended

From 0 to 10 write how confident you feel about Fractions