Subtracting - CCSS 2.OA.B.2, 2.NBT.B.5

## Links verified on 12/31/2021

1. Balloon Pop Subtraction.

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Select from 3 levels of difficulty. Solve each problem and pop the balloons until the amount of balloons left answer the problem SEE MORE

2. Checking Subtraction.

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Weblesson and practice problems exploring the inverse relationship of addition and subtraction. SEE MORE

3. Free Math Test Subtraction.

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Choose level of difficulty or customize for any number range and then select the number of questions. SEE MORE

4. Hidden Picture.

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Select the problem that equals the answer provided to reveal a hidden picture. SEE MORE

5. Island Chase Subtraction.

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"Multi-player racing game that allows students from anywhere in the world to race one another while practicing their facts." You can select to play against others or just yourself. SEE MORE

6. It's A Fact.

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Practice basic subtraction facts. SEE MORE

7. Math Baseball.

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Practice numbers less than 5. Fill in the missing number to complete the subtraction problem. Four levels to choose from. SEE MORE

8. Math Timed Test.

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Choose subtraction and the number of questions SEE MORE

9. Mentally add 10 to or subtract 10 from a number between 100 and 900.

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Online quiz that is self checking SEE MORE

10. Mentally add 100 to or subtract 100 from a number between 100 and 900.

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Online quiz that is self checking SEE MORE

11. Mentally add or subtract 10 or 100 with a number between 100 and 900.

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Online quiz that is self checking SEE MORE

12. Mentally subtract 10 from a number between 100 and 900.

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Online quiz that is self checking SEE MORE

13. Mentally subtract 100 from a number between 100 and 900.

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Online quiz that is self checking SEE MORE

14. Minus Mission.

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Choose the content range (1-20). Aim for the slime blob with the correct subtraction problem. SEE MORE

15. Subtract a three-digit from a three-digit number.

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Online quiz that is self checking SEE MORE

16. Subtract a two-digit from a three-digit number.

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Online quiz that is self checking SEE MORE

17. Subtract within 100 (2-digits only).

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Online quiz that is self checking SEE MORE

18. Subtract within 100 with regrouping.

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Online quiz that is self checking. SEE MORE

19. Subtract within 100 without regrouping.

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Online quiz that is self checking SEE MORE

20. Subtracting Numbers.

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Numerous lessons and activities for Grade 2. SEE MORE

21. Subtraction for Two Digits.

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Subtraction for two digits with borrowing. SEE MORE

22. Tic-Tac-Toe Squares.

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Get three X's in a row (horizontal, vertical, or diagonal) before the computer gets three O's in a row. Choose easy for 1-digit numbers, medium for 2-digit, hard for 3-digit, and super brain for 4-digit numbers. SEE MORE

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