Students analyze patterns in place value. Number outcome 1Mastery Cove ref
Students analyze patterns in place value.
Guiding question
- How can the infinite nature of place value enhance insight into number?
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.
Understanding
- Place value symmetry extends infinitely to the left and right of the ones place.
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.
Source
Practice coming soon
Students add and subtract within 1 000 000, including decimal numbers to thousandths, using standard algorithms. Number outcome 2Mastery Cove ref
Students add and subtract within 1 000 000, including decimal numbers to thousandths, using standard algorithms.
Guiding question
- In what ways can the processes of addition and subtraction be articulated?
Knowledge
- Standard algorithms are efficient procedures for addition and subtraction.
Understanding
- Addition and subtraction of numbers with many digits is facilitated by standard algorithms.
Skills & procedures
- Add and subtract numbers, including decimal numbers, using standard algorithms.
- Assess the reasonableness of a sum or difference, using estimation.
- Solve problems, using addition and subtraction, including problems involving money.
Source
Practice coming soon
Students determine divisibility of natural numbers. Number outcome 3Mastery Cove ref
Students determine divisibility of natural numbers.
Guiding question
- In what ways can divisibility characterize natural numbers?
Knowledge
- A divisibility test can be used to determine factors of a natural number.
- Division by zero is not possible.
Understanding
- A number is divisible by another number if it can be divided with a remainder of 0.
Skills & procedures
- Investigate divisibility by natural numbers from 0 to 10.
- Generalize divisibility tests for 2, 3, and 5.
- Determine factors of natural numbers, using divisibility tests.
Source
Practice coming soon
Students multiply and divide natural numbers within 100 000, including with standard algorithms. Number outcome 4Mastery Cove ref
Students multiply and divide natural numbers within 100 000, including with standard algorithms.
Guiding question
- In what ways can the processes of multiplication and division be articulated?
Knowledge
- Multiplication and division of numbers with many digits is facilitated by standard algorithms.
Understanding
- Standard algorithms are efficient procedures for multiplication and division.
Skills & procedures
- Explain the standard algorithms for multiplication and division of natural numbers.
- Multiply up to 3-digit by 2-digit natural numbers, using standard algorithms.
- Divide 3-digit by 1-digit natural numbers, using standard algorithms.
- Express a quotient with or without a remainder according to context.
- Assess the reasonableness of a product or quotient, using estimation.
- Solve problems, using multiplication and division of natural numbers.
Source
Practice coming soon
Students interpret improper fractions. Number outcome 5Mastery Cove ref
Students interpret improper fractions.
Guiding question
- In what ways can fractions communicate numbers greater than one?
Knowledge
- A fraction can represent quantities greater than one.
- An improper fraction has a numerator that is greater than its denominator.
- Natural numbers can be expressed as improper fractions with a denominator of 1.
- A mixed number of the form A\frac{b}{c} , composed of a number of wholes, A , and a fractional part, \frac{b}{c} , can represent an improper fraction.
Understanding
- Fractions allow counting and measuring between whole quantities.
- Improper fractions and mixed numbers that represent the same number are associated with the same point on the number line.
Skills & procedures
- Relate fractions, improper fractions, and mixed numbers to their positions on the number line.
- Count beyond 1, using fractions with the same denominator.
- Model fractions, including improper fractions and mixed numbers, using quantities, lengths, and areas.
- Express improper fractions and mixed numbers symbolically.
- Express an improper fraction as a mixed number and vice versa.
- Compare fractions, including improper fractions and mixed numbers, to benchmarks of 0, \frac{1}{2} , and 1.
Source
Practice coming soon
Students add and subtract fractions with common denominators. Number outcome 6Mastery Cove ref
Students add and subtract fractions with common denominators.
Guiding question
- How can the composition of fractions facilitate operating with fractions?
Knowledge
- Fractions with common denominators can be composed or decomposed to model the change in a quantity of unit fractions.
- Addition and subtraction of fractions with common denominators does not change the unit fraction from which they are composed.
- Fractions greater than one can be added or subtracted as mixed numbers or improper fractions.
Understanding
- Fractions with common denominators are multiples of the same unit fraction.
- Properties for addition and subtraction of natural numbers apply to fractions.
Skills & procedures
- Investigate the composition and decomposition of a quantity within 1, using unit fractions.
- Express the composition or decomposition of fractions with common denominators as a sum or difference.
- Compare strategies for adding or subtracting improper fractions to strategies for adding or subtracting mixed numbers.
- Add and subtract fractions with common denominators within 100, including improper fractions and mixed numbers.
- Solve problems requiring addition and subtraction of fractions with common denominators, including improper fractions and mixed numbers.
Source
Practice coming soon
Students employ ratios to represent relationships between quantities. Number outcome 7Mastery Cove ref
Students employ ratios to represent relationships between quantities.
Guiding question
- How can ratios provide new ways to relate numbers?
Knowledge
- A ratio can express part-part or part-whole relationships between two countable or measurable quantities.
- A ratio can be expressed with a fraction or with a colon.
- A percentage represents a part-whole ratio that compares a quantity to 100.
Understanding
- A ratio is a comparison of two quantities in a specific situation.
- Fractions, decimals, ratios, and percentages can represent the same part-whole relationship.
Skills & procedures
- Express part-part ratios and part-whole ratios of the same whole to describe various situations.
- Express, symbolically, the same part-whole relationship as a ratio, fraction, decimal, and percentage.
Source
Practice coming soon