| Benchmarks: |
| 3.1 |
Understanding and explaining the effect of addition on whole
numbers; |
| 3.2 |
Solving 1-and 2-digit addition problems without regrouping,
given in both vertical and horizontal notation; |
| 3.3 |
Understanding and explaining the effect of subtraction on
whole numbers; |
| 3.4 |
Solving 1-and 2-digit subtraction problems without regrouping,
given in both vertical and horizontal notation; |
| 3.5 |
Selecting the appropriate operation to solve specific problems
involving addition and subtraction of whole numbers; |
| 3.6 |
Adding 1-digit whole numbers to solve real-world problems
using appropriate methods of computing (for example: manipulatives,
mental mathematics, paper and pencil); |
| 3.7 |
Adding a column of three 1-digit numbers; |
| 3.8 |
Recalling addition facts using a number line, table, or memory; |
| 3.9 |
Recalling subtraction facts using a number line, table, or
memory. |
