Solve in your head. Go fast!
29 + 11 =
38 + 12 =
47 + 13 =
56 + 14 =
Estimate First! Round to tens, estimate, then solve.
38 + 47
Estimate (40 + 50):
Actual:
62 + 39
Estimate (60 + 40):
Actual:
54 + 39
Estimate (50 + 40):
Actual:
26 + 67
Estimate (30 + 70):
Actual:
Use any strategy you prefer.
Review: Column addition with regrouping.
Read carefully. Show your work.
A class has 28 boys and 29 girls. The teacher wants to know how many students are in the whole class. How many students are there?
Draw or write your thinking:
students
Mom bought 38 red apples and 47 green apples at the market. She wants to know the total number of apples. How many apples did she buy?
Draw or write your thinking:
apples
Self-Check: How do you feel about adding with regrouping?
Visual Regrouping
😊 I got it! | 😐 Getting there | 😟 Need help
Column Addition with Carry
😊 I got it! | 😐 Getting there | 😟 Need help
Word Problems with Regrouping
😊 I got it! | 😐 Getting there | 😟 Need help
One thing I learned this week:
One thing I want to practice more:
My favorite strategy for adding with regrouping: