Use Models and Strategies to Subtract Tens Answer

Use Models and Strategies to Subtract Tens Answer Key

Independent Practice 1. Write the numbers to complete each equation. a. b. c. d. 8 80 5 50 8 80 6 60 30 10 20 30 3 1 2 3 50 40 60 30 5 4 6 3

2. Use the hundred chart to subtract tens. Subtract. 50 − 10= 40 30 − 20= 10 90 − 40 = 50 100 − 2 0 = 8 0

3. U se mental math to solve. 53 − 10 = 80 − 10 = 60 − 10 = 11 − 10 = 85 − 10 = 43 70 50 1 75

Practice 4. Find the difference. Remember to subtract the ones first, then the tens. 5 tens 1 tens 9 7 1 ones 5 4 2 1 3 ones 8 7 − − ones 6 3 tens 4 2 ones 0 0 2 0 tens 8 − 5 − − tens 7 2 3 tens 6 3 ones 2 1 1 ones 7 0 3 7 −

Problems of the Week! 1. Carla had a book with 50 pages. She read 20 pages. How many pages does she have left to read? 50 − 20 = 30 She has 30 pages left to read. 2. A store had 72 toy cars. It sold 10 cars. How many cars does the store have left? 72 − 10 = 62 The store has 62 cars left.