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Mathematics
Level 2.0 - 3.9 · (Beginning)
Standard 9
The student understands number systems.
| Benchmarks: |
| 9.1 |
Understanding and explaining the inverse (opposite) relationship
of addition and subtraction; |
| 9.2 |
Adding whole numbers to solve real-world problems using appropriate
methods of computing, such as manipulatives, mental mathematics,
paper and pencil (for example: adding a 1-or 2-digit number
to a 2-digit number with and without regrouping, given in vertical
and horizontal notation); |
| 9.3 |
Subtracting whole numbers to solve real-world problems using
appropriate methods of computing, such as manipulatives, mental
mathematics, paper and pencil (for example: subtracting a 1-or
2-digit number from a 2-digit number with and without regrouping,
given in vertical and horizontal notation). |
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