Chapter 4: Subtraction (Taking Away)
Counting what is left after taking away.
Subtraction Means Taking Away ➖
When things go away, fly away, or get eaten... the number gets SMALLER!
The Pizza Party
Start with 6 slices
🍕 🍕 🍕 🍕 🍕 🍕
⬇️ You eat 2 slices ⬇️
What is left?
🍕 🍕 🍕 🍕
6 - 2 = 4
Cross them out! (7 - 3)
Draw 7 balls. Cross out 3. Count the rest.
🔵 🔵 🔵 ❌ ❌ ❌ 🔵
Wait... the order doesn't matter, just count the blue ones!
4 Blue balls are left.
5 - 1
4
8 - 0
8
4 - 4
0
9 - 3
6