Week 8FridayWeek 8 Review & Self-Check
1Mental Math Warm-up

Solve in your head. Go fast!

50 - 30 =

90 - 50 =

70 - 60 =

90 - 20 =

70 - 40 =

90 - 30 =

2Column Subtraction Review

Review: Column subtraction (no regrouping).

79
- 45
89
- 27
89
- 35
89
- 63
3Mixed Practice

Use any strategy you prefer.

99 - 52 =

99 - 25 =

76 - 42 =

89 - 26 =

4Word Problems

Read carefully. Show your work.

A class had 49 students. 25 went home early. How many students are left?

students

Jake read 79 pages. He finished 36 yesterday. How many pages does he have left?

pages

5Self-Check & Reflection

Self-Check: How do you feel about subtracting 2-digit numbers?

Mental Math (Subtracting Tens)

😊 I got it! | 😐 Getting there | 😟 Need help

Column Subtraction

😊 I got it! | 😐 Getting there | 😟 Need help

Word Problems

😊 I got it! | 😐 Getting there | 😟 Need help

My favorite strategy for subtracting 2-digit numbers:

One thing I want to practice more: