Arithmetic
Course Content
Addition and subtraction
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Basic addition and subtraction
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Basic addition
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Basic subtraction
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Addition and subtraction within 20
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Adding 8 + 7
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Subtracting 14 – 6
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Strategies for adding and subtracting within 100
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Adding 53+17 by making a group of 10
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Adding by making a group of 10
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Strategies for adding 2-digit numbers
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Addition and subtraction with number lines
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Addition within 100
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Adding 2-digit numbers without regrouping 2
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Adding with regrouping
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Subtraction within 100
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Subtracting 2-digit numbers without regrouping 1
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Subtracting with regrouping (borrowing)
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Multi-digit addition with regrouping
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Using place value to add 3-digit numbers: part 2
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Adding 3-digit numbers
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Relate place value to standard algorithm for multi-digit addition
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Adding multi-digit numbers: 48,029+233,930
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Three digit addition word problems
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Multi-digit subtraction with regrouping
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Methods for subtracting 3-digit numbers
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Relate place value to standard algorithm for multi-digit subtraction
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Worked example: Subtracting 3-digit numbers (regrouping)
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Worked example: Subtracting 3-digit numbers (regrouping twice)
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Worked example: Subtracting 3-digit numbers (regrouping from 0)
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Subtracting in your head (no regrouping)
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Multi-digit subtraction: 389,002-76,151
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Subtraction by breaking apart
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Missing number for 3-digit subtraction within 1000
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Three digit subtraction word problems
Multiplication and division
Negative numbers
Fractions
Decimals
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