Miss Kashef here — let's master 2-digit addition and subtraction together!
Slide 1 of 10
➕➖🧮
Addition & Subtraction of 2-Digit Numbers
Hello my dear students! Today Miss Kashef will teach you how to add and subtract numbers like 45 + 27 and 83 - 36. We will learn step by step with many examples, pictures, and practice. You will become experts!
Place Value Review
Tens
🟧🟧🟧
Each = 10
Ones
🔴🔴🔴🔴
Each = 1
Addition Without Carrying
34 + 25
Ones: 4 + 5 = 9
Tens: 3 + 2 = 5
59
Addition With Carrying
47 + 28
Ones: 7 + 8 = 15 → write 5, carry 1
Tens: 4 + 2 + 1 = 7
75
More Addition Examples
56 + 37 = 93
68 + 45 = 113
29 + 58 = 87
74 + 19 = 93
Subtraction Without Borrowing
68 - 23
Ones: 8 - 3 = 5
Tens: 6 - 2 = 4
45
Subtraction With Borrowing
52 - 38
Ones: 2 < 8 → borrow → 12 - 8 = 4
Tens: 4 (after borrow) - 3 = 1
14
Mixed Practice
63 + 29 = ?
81 - 47 = ?
Word Problems
You have 75 stickers. You give 38 to your friend. How many left?
37 stickers
You Did It! Great Job! 🌟
You now know how to add and subtract 2-digit numbers with and without regrouping.
Practice every day and you will become even better!