Grade 7 - Number Sense and Numeration
Standard 7.NSN.1 - Round a given number to a specified place value.
Included Skills: Estimation
Quantity Relationships • represent, compare, and order decimals to hundredths and fractions, using a variety of tools (e.g., number lines, Cuisenaire rods, base ten materials, calculators); • generate multiples and factors, using a variety of tools and strategies (e.g., identify multiples on a hundreds chart; create rectangles on a geoboard) (Sample problem: List all the rectangles that have an area of 36 cm2 and have whole-number dimensions.); • identify and compare integers found in real-life contexts (e.g., -10�C is much colder than +5�C); • represent and order integers, using a variety of tools (e.g., two-colour counters, virtual manipulatives, number lines); • select and justify the most appropriate representation of a quantity (i.e., fraction, decimal, percent) for a given context (e.g., "I would use a decimal for recording the length or mass of an object, and a fraction for part of an hour."); • represent perfect squares and square roots, using a variety of tools (e.g., geoboards, connecting cubes, grid paper); • explain the relationship between exponential notation and the measurement of area and volume (Sample problem: Explain why area is expressed in square units [units2] and volume is expressed in cubic units [units3].).