| Activity Outcome | Writing whole numbers to millions using the convention of spacing between every third place |
| MTS Set | MTS6
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| NATIONAL Curriculum | The Number System |
| Topics | Understand Whole Numbers
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| Keywords | Large Numbers, Integers |
| Grouping | Independent and pairs |
| Resources | Calculators |
| Lesson Notes | - Discuss common rules for separating groups of digits (commas, spaces, count groups of digits in 3's).
- Look at calculators to see how numbers can be grouped for accurate reading.
- Note: Some calculators will use commas above digits and others below digits. Most calculators require the user to count groups of digits for accurate reading.
- Note: Spaces have been used since computers became common as many early computers used the comma as a decimal point.
- Students work independently to write each number with spaces.
- Place students in pairs to check their work and practice reading numbers.
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| Reflections | Ask: What is the largest number, written in digit form, that you can read aloud?
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| Internet Links | |
| Answers | 1a 7 842 b 6 675 c 9 145 d 9 821 e 7 444 f 2 056
2a 12 345 b 50 677 c 12 456 d 11 223 e 44 484 f 20 569 g 23 477 h 30 489
3a 865 523 b 987 631 c 655 544 d 754 432 e 644 310 f 821 100 g 997 751 h 743 210
4a 1 233 456 b 1 001 125 c 1 000 127 d 1 011 229 e 1 009 999 f 2 234 459 g 3 345 789 h 1 002 269 |
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