Adding Without Renaming
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Adding Without Renaming
🔢 Part 1: Adding Two-Digit Numbers
a) 53 + 21 = _____
b) 47 + 32 = _____
c) 64 + 25 = _____
d) 31 + 46 = _____
➖ Part 2: Subtracting Two-Digit Numbers
a) 75 - 32 = _____
b) 85 - 42 = _____
c) 90 - 58 = _____
d) 68 - 24 = _____
📊 Part 3: Number Line Practice
43 + 26 = _____
72 - 31 = _____
🤔 Part 4: Estimation and Reasoning
56 + 23 = ?
My estimate: The answer will be about _____ (between 70-90)
Now solve: 56 + 23 = _____
📝 Part 5: Word Problems
a) Sarah has 42 stickers. Her friend gives her 27 more stickers. How many stickers does Sarah have altogether?
Number sentence: _____ + _____ = _____
Answer: Sarah has _____ stickers altogether.
b) There were 86 books in the library. The librarian lent out 35 books. How many books are left in the library?
Number sentence: _____ - _____ = _____
Answer: There are _____ books left in the library.
💭 Part 6: Explain Your Thinking
When I add _____ tens and _____ units to _____ tens and _____ units, I get 79.
One possible answer: _____ + _____ = 79
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