🔢 Part 1: Counting Back Strategy

a) 15 - 7 = ____

b) 23 - 6 = ____

c) 18 - 9 = ____

📏 Part 2: Number Line Jumps

Answer: 16 - 5 = ____

a) 25 - 8 = ____

b) 19 - 7 = ____

➕➖ Part 3: Addition and Subtraction Fact Families

a) If 8 + 4 = 12, then 12 - 4 = ____

b) If 7 + 5 = 12, then 12 - 5 = ____

c) If 9 + 6 = 15, then 15 - 6 = ____

📖 Part 4: Word Problems

a) Sarah has 24 stickers. She gives 9 stickers to her friend. How many stickers does Sarah have left?

Answer: _______ stickers

b) There were 17 birds in a tree. 8 birds flew away. How many birds are still in the tree?

Answer: _______ birds

For 20 - 3, I would use:

For 15 - 8, I would use:

🤔 Part 5: Reflection

Subtraction is the __________ of addition. If I know that 6 + 7 = 13, then I also know that 13 - 7 = ____.