III - Numbers
Standard 3.N.1.2 - Simplify both sides of the equation. Fill in the missing number with sums up to 1000 to make the equation true.
Included Skills: Addition
Addition and Subtraction • Adds and subtracts numbers by writing them vertically in the following two cases: - without regrouping. - with regrouping. • Uses the place value in standard algorithm of addition and subtraction. • Solves addition and subtraction problems in different situations presented through pictures and stories. • Frames problems for addition and subtraction facts. • Estimates the sum of, and difference between, two given numbers.