Number
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Whole Numbers
Estimation
Addition
Subtraction
Multiplication
Division
Fractions
Decimals
Problem Solving
Program of Studies
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 & Procedures
Relate the names of place values that are the same number of places to the left and right of the ones place. Express numbers within 10 000 000, including decimal numbers to thousandths, using words and numerals. Relate a decimal number to its position on the number line. Determine a decimal number between any two other decimal numbers. Compare and order numbers, including decimal numbers. Express the relationship between two numbers, including decimal numbers, using <, >, or =. Round numbers, including decimal numbers, to various places according to context.
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