Solve in your head. Go fast!
20 + 30 =
40 + 50 =
70 + 20 =
30 + 40 =
50 + 40 =
60 + 30 =
Review: Column addition (no regrouping).
Use any strategy you prefer.
47 + 52 =
74 + 25 =
32 + 43 =
63 + 26 =
Read carefully. Show your work.
A class has 24 boys and 25 girls. The teacher wants to know total students. How many?
students
Jake read 43 pages on Monday and 36 pages on Tuesday. How many pages total?
pages
Self-Check: How do you feel about adding 2-digit numbers?
Mental Math (Adding Tens)
😊 I got it! | 😐 Getting there | 😟 Need help
Column Addition
😊 I got it! | 😐 Getting there | 😟 Need help
Word Problems
😊 I got it! | 😐 Getting there | 😟 Need help
My favorite strategy for adding 2-digit numbers:
One thing I want to practice more: