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Standard 3.N.10 - Analyze and identify the property of multiplication shown in the equation.

Included Skills:

Apply mental mathematics strategies and number properties, such as:
using doubles
making 10
using the commutative property
using the property of zero
to recall basic addition facts to 18 and related subtraction facts.

Achievement Indicators
Students who have achieved this outcome(s) should be able to:
- Describe a mental mathematics strategy that could be used to determine a given basic fact, such as:
doubles, e.g., for 6 + 8, think 7 + 7
doubles plus one, e.g., for 6 + 7, think 6 + 6 + 1
doubles take away one, e.g., for 6 + 7, think 7 + 7 – 1
doubles plus two, e.g., for 6 + 8, think 6 + 6 + 2
doubles take away two, e.g., for 6 + 8, think 8 + 8 – 2
making 10, e.g., for 6 + 8, think 6 + 4 + 4 or 8 + 2 + 4
commutative property, e.g., for 3 + 9, think 9 + 3
addition to subtraction, e.g., for 13 – 7, think 7 + ? = 13.
- Provide a rule for determining answers for adding and subtracting zero.
- Recall basic addition facts to 18 and related subtraction facts to solve problems.

If you notice any problems, please let us know.