Teachers, save “Subtraction within 40 with and without r…” to assign it to your class.

26/2/2021 1. On slides 1, 2 and 3, scratch one of the colours 🔴 🟡 🟢 🔵 🟣 with to see an equation. Use and solve it using column subtraction. 2. Solve the word problem on slides 4 and 5. Remember to draw and label your bar models. Click ▶️ to listen to me reading the word problem/instructions.