Estimation!!!
Estimation is an extremely helpful method to check your math. Many of your parents use estimation on a daily basis!
There are three main ways to estimate.
Front-end Rounding
Compatible Numbers
Compensation
There are three main ways to estimate.
Front-end Rounding
Compatible Numbers
Compensation
Front-end Rounding
Compatible Numbers
Compensation
math_study_guide__answers_for_parents.docx | |
File Size: | 40 kb |
File Type: | docx |
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Number: Quantity is measured with numbers that enable counting, labelling, comparing, and operating.
How can the infinite nature of place value enhance insight into number?
Students analyze patterns in place value.
Knowledge
A number expressed with more decimal places is more precise. A zero in the rightmost place of a decimal number does not change the value of the number. There are infinitely many decimal numbers between any two decimal numbers.
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Understanding
Place value symmetry extends infinitely to the left and right of the ones place.
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Skills and Procedures
Round numbers, including decimal numbers, to various places according to context.
Assess the reasonableness of a sum or difference using estimation. Assess the reasonableness of a product or quotient using estimation. |