Mathematics 4
N4.8
Demonstrate an understanding of addition and subtraction of decimals limited to hundredths (concretely, pictorially, and symbolically) by:
- using compatible numbers
- estimating sums and differences
- using mental math strategies
- solving problems.
[C, ME, PS, R, V]
Indicators for this outcome
| (a) |
Approximate sums and differences of decimals using estimation strategies. |
| (b) |
Solve problems, including money problems, which involve addition and subtraction of decimals, limited to hundredths. |
| (c) |
Determine the approximate solution of a problem not requiring an exact answer. |
| (d) |
Estimate a sum or difference using compatible numbers. |
| (e) |
Count back change for a purchase. |
| (f) |
Explain the strategies used to determine a sum or difference. |
| (g) |
Represent a sum or difference of two decimals concretely or pictorially, and record the solution to the sum or difference symbolically. |
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