To take away a part of a total and find out how much is left, we subtract' - PowerPoint PPT Presentation

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To take away a part of a total and find out how much is left, we subtract'

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To take away a part of a total and find out how much is left, we subtract. Gr2-U4-L1 ... We can subtract 1 or 2 by counting back. ... – PowerPoint PPT presentation

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Title: To take away a part of a total and find out how much is left, we subtract'


1
  • To take away a part of a total and find out how
    much is left, we subtract.

Gr2-U4-L1
2
  • We can subtract 1 or 2 by counting back.

Gr2-U4-L2
3
  • When you subtract zero from a number, the number
    doesnt change.

Gr2-U4-L3
4
  • Knowing the addition doubles facts helps us when
    we subtract doubles.

Gr2-U4-L4
5
  • We can subtract 1 or 2 by counting back.
  • When you subtract zero from a number, the number
    doesnt change.
  • Knowing the addition doubles facts helps us when
    we subtract doubles.

Gr2-U4-L5
6
  • We can use addition facts to help us solve
    subtraction problems.
  • We can count back to help us solve subtraction
    problems.
  • A number line helps us when we count back more
    than 1 or 2.

Gr2-U4-L6
7
  • We can use addition facts to help us solve
    subtraction problems.
  • We can count back to help us solve subtraction
    problems.
  • A number line helps us when we count back more
    than 1 or 2.

Gr2-U4-L7
8
  • We subtract when we need to find the difference
    between 2 numbers.

Gr2-U4-L8
9
  • We subtract to find out how many more are needed.

Gr2-U4-L9
10
  • We can subtract 1 or 2 by counting back.
  • When you subtract zero from a number, the number
    doesnt change.
  • Knowing the addition doubles facts helps us when
    we subtract doubles.

Gr2-U4-L10
11
  • Knowing addition facts can help us solve any
    subtraction problem.
  • A number line helps us subtract when we need to
    count back more than 1 or 2.

Gr2-U4-L10
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