Fractions: Four operations: setting them up Silent Teacher Intelligent Practice Narration Your Turn 3 4 − 2 3 = 3 4 × 2 3 = Example For more videos visit mrbartonmaths.com/videos
Worked Example Your Turn 3 5 + 1 4 = 3 5 + 1 3 = 3 5 − 1 4 = 3 5 − 1 3 = 3 5 × 1 4 = 3 5 × 1 3 = 3 5 ÷ 1 4 = 3 5 ÷ 1 3 = @mrbartonmaths
2 5 + 3 5 = 5 2 + 5 3 = 2 5 − 3 5 = 5 2 − 5 3 = 2 5 × 3 5 = 5 2 × 5 3 = 2 5 ÷ 3 5 = 5 2 ÷ 5 3 = @mrbartonmaths
3 4 + 2 3 = 2 3 + 3 4 = 3 4 − 2 3 = 2 3 − 3 4 = 3 4 − 2 3 = 2 3 × 3 4 = 3 4 ÷ 2 3 = 2 3 ÷ 3 4 = @mrbartonmaths
3 𝑥 + 2 𝑦 = 𝑥 3 + 𝑦 2 = 3 𝑥 − 2 𝑦 = 𝑥 3 − 𝑦 2 = 3 𝑥 × 2 𝑦 = 3 𝑥 + 2 𝑦 = 𝑥 3 + 𝑦 2 = 3 𝑥 − 2 𝑦 = 𝑥 3 − 𝑦 2 = 3 𝑥 × 2 𝑦 = 𝑥 3 × 𝑦 2 = 3 𝑥 ÷ 2 𝑦 = 𝑥 3 ÷ 𝑦 2 = @mrbartonmaths
2 5 + 3 5 = 5 5 = 1 5 2 + 5 3 = 15 6 + 10 6 2 5 − 3 5 = − 1 5 5 2 − 5 3 = 15 6 − 10 6 2 5 × 3 5 = 6 25 5 2 × 5 3 = 25 6 2 5 ÷ 3 5 = 2 5 × 5 3 5 2 ÷ 5 3 = 5 2 × 3 5 @mrbartonmaths
3 4 + 2 3 = 9 12 + 8 12 2 3 + 3 4 = 8 12 + 9 12 3 4 − 2 3 = 9 12 − 8 12 2 3 − 3 4 = 8 12 − 9 12 3 4 × 2 3 = 6 12 2 3 × 3 4 = 6 12 3 4 ÷ 2 3 = 3 4 × 3 2 2 3 ÷ 3 4 = 2 3 × 4 3 @mrbartonmaths
3 𝑥 + 2 𝑦 = 3𝑦 𝑥𝑦 + 2𝑥 𝑥𝑦 𝑥 3 + 𝑦 2 = 2𝑥 6 + 3𝑦 6 3 𝑥 − 2 𝑦 = 3𝑦 𝑥𝑦 − 2𝑥 𝑥𝑦 𝑥 3 − 𝑦 2 = 2𝑥 6 − 3𝑦 6 3 𝑥 × 2 𝑦 = 6 𝑥𝑦 𝑥 3 × 𝑦 2 = 𝑥𝑦 6 3 𝑥 ÷ 2 𝑦 = 3 𝑥 × 𝑦 2 𝑥 3 ÷ 𝑦 2 = 𝑥 3 × 2 𝑦 @mrbartonmaths