Unit 3: Change and The Metric System
Topic A: Counting to Make Change
Practice your counting by filling in the counting chart. Have your instructor check your chart when you are done.
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 10 | |||||||||
Use your counting chart and start at 0. Count two and write down that number.
| 0 | 2 | 4 | |||||||
If you had a pile of toonies or two dollar coins and wanted to know how much money you have, you would count by 2’s.
Use your counting chart and start at 0. Count five and write down that number.
| 0 | 5 | 10 | |
If you had a pile of nickels or five dollar bills and wanted to know how much money you have, you would count by 5’s.
Use your counting chart and start at 0. Count ten and write down that number.
| 0 | 10 | 20 | |
If you had a pile of dimes or ten dollar bills and wanted to know how much money you have, you would count by 10’s.
Use your counting chart and start at 0. Count twenty and write down that number.
| 0 | 20 | 40 |
If you had a pile of twenty dollar bills and wanted to know how much money you have, you would count by 20’s.
Use your counting chart and start at 0. Count twenty-five and write down that number.
| 0 | 25 |
If you had a pile of quarters and wanted to know how much money you have, you would count by 25’s.
Exercise 1
Write the missing numerals. Check your work using the answer key at the end of the exercise.
- Count by 5’s.
0 10 20 30 40 50 60 70 80 90 - Count by 5’s.
0 5 15 25 35 45 55 65 75 85 95 - Count by 5’s.
0 - Count by 10’s.
0 10 30 50 70 90 - Count by 10’s.
0 20 40 60 80 100 - Count by 10’s.
0 - Count by 20’s
0 40 80 - Count by 20’s
0 - Count by 25’s.
0 25 75 - Count by 25’s.
0 50 100 - Count by 25’s.
0
Answers to Exercise 1
- Count by 5’s.
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 - Count by 5’s.
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 - Count by 5’s.
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 - Count by 10’s.
0 10 20 30 40 50 60 70 80 90 100 - Count by 10’s.
0 10 20 30 40 50 60 70 80 90 100 - Count by 10’s.
0 10 20 30 40 50 60 70 80 90 100 - Count by 20’s
0 20 40 60 80 100 - Count by 20’s
0 20 40 60 80 100 - Count by 25’s.
0 25 50 75 100 - Count by 25’s.
0 25 50 75 100 - Count by 25’s.
0 25 50 75 100