Adding and Subtracting

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Adding and Subtracting

• Debora Corlew
• EDU 506
• June 26, 2000

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Adding and Subtracting

• This WebQuest is designed to help you become more
  familiar with the skills of adding and
  subtracting numbers. You will practice adding and
  subtracting two digit numbers.

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Adding and Subtracting

• give answers to basic math facts up to 18,
• add or subtract with or without regrouping,
• understand concept of addition,
• understand concept of subtraction, and
• add or subtract horizontally and vertically.

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Adding and Subtracting

• 5 4 9
• 4 5 9
• 9 - 5 4
• 9 - 4 5

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Adding and Subtracting

• 9 9 18
• 18 - 9 9

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Adding and Subtracting

• 18
• 11
• 29

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Adding and Subtracting

• 79 13 92
• 92 - 79 13

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Thank You!

• I hope you have enjoyed viewing Adding and
  Subtracting!