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## Number Relations - CCSS 4.NBT.A.1, 4.NBT.A.2, 4.NBT.A.3

### Number Forms

1. Express 9-digit expanded form as number names - Online quiz that is self checking.
2. Express expanded form as 6 digit whole numbers - Online quiz that is self checking.
3. Express expanded form as 9 digit whole numbers - Online quiz that is self checking.
4. Express 9 digit whole number in expanded form - Online quiz that is self checking.
5. Express 6 digit whole numbers in expanded form - Online quiz that is self checking.
6. Express 12 digit whole numbers as number names - Online quiz that is self checking.
7. Express number names as 12 digit whole numbers - Online quiz that is self checking.
8. Express 9 digit whole numbers as number names - Online quiz that is self checking.
9. Express number names as 9 digit whole numbers - Online quiz that is self checking.
10. Express 6 digit whole numbers as number names - Online quiz that is self checking.
11. Express number names as 6 digit whole numbers - Online quiz that is self checking.
12. Express 9-digit number names in expanded form - Online quiz that is self checking.
13. Express 6-digit expanded form as number names - Online quiz that is self checking.
14. Express 6-digit number names in expanded form - Online quiz that is self checking.
15. Express 12 digit whole number in expanded form - Online quiz that is self checking.
16. Express expanded form as 12 digit whole numbers - Online quiz that is self checking.
17. Express 12-digit number names in expanded form - Online quiz that is self checking.
18. Express 12-digit expanded form as number names - Online quiz that is self checking.
19. Express 6-digit number in specified form - Online quiz that is self checking.
20. Express 9-digit number in specified form - Online quiz that is self checking.
21. Express 12-digit number in specified form - Online quiz that is self checking.
22. Express whole number in specified form - Online quiz that is self checking.

### Place Value

1. Crack the Code - Find the missing number in a series.
2. Genius Boxing - Box some of history's great math minds such as Einstein, Copernicus, Galileo, Bill Gates and more for universal math supremacy.
3. Place Value - Rounding numbers and place value activities (choose from easy to super hard).
4. Place Value Game - Click on a box and place the number.
5. Place Value Hockey - Fun educational game for kids to practice place value.
6. Place Value: Mystery Numbers - Read the clues to determine which numbers go in the correct spaces.
7. Place Value Pirates - Find the buried treasure of Sir Francis Place Value by using their place value skills to destroy his horrid band of place value pirates.
8. Place Value Practice - Find the place value for the red underlined digit.
9. Read and Recognize Numbers - Select format (spelling numeral or writing the digits) and select top value to give students practice in writing and reading numbers.

### Rounding

1. Round 6-Digit Whole Number to Nearest Hundred - Online quiz that is self checking.
2. Round 5-Digit Whole Number to Nearest Ten - Online quiz that is self checking.
3. Round 5-Digit Whole Number to Nearest Thousand - Online quiz that is self checking.
4. Round 5-Digit Whole Number to Nearest Hundred - Online quiz that is self checking.
5. Round 6-Digit Whole Number to Nearest Thousand - Online quiz that is self checking.
6. Round 4-Digit Whole Number to Nearest Ten - Online quiz that is self checking.
7. Round 4-Digit Whole Number to Nearest Hundred - Online quiz that is self checking.
8. Round 4-Digit Whole Number to Nearest Hundred - Online quiz that is self checking.
9. Round 4-Digit Whole Number to Nearest Thousand - Online quiz that is self checking.
10. Round 6-Digit Whole Number to Nearest Ten - Online quiz that is self checking.
11. Round 5-Digit Whole Number to Nearest Ten Thousand - Online quiz that is self checking.
12. Round 6-Digit Whole Number to Nearest Ten Thousand - Online quiz that is self checking.
13. Round 6-Digit Whole Number to Nearest Hundred Thousand - Online quiz that is self checking.
14. Round Whole Numbers To Any Place - Online quiz that is self checking.

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