Grade 7 - Numbers, Operations and Relationships
Standard 7.NOR.1.1.4 - Practice estimating subtraction equations by first rounding the numbers then finding the difference.
Included Skills: Estimation
Whole numbers. Calculations using whole numbers • Revise the following done in Grade 6, without use of calculators: - Addition and subtraction of whole numbers to at least 6-digit numbers - Multiplication of at least whole 4-digit by 2-digit numbers - Division of at least whole 4-digit by 2-digit numbers - Perform calculations using all four operations on whole numbers, estimating and using calculators where appropriate