Estimation

**RIT 241-250**
• Uses estimation to solve problems involving decimals

RIT 231-240
• Uses estimation to solve problems involving decimals • Uses estimation to solve problems involving proportional reasoning (decimals only) • Determines the most accurate answer (fractions only)

**RIT 221-230**
• Uses estimation to solve problems involving fractions and mixed numbers • Uses rounding to estimate answers to real-world problems involving multiplication and division of numbers less than 100 (whole numbers only) • Uses rounding to estimate answers to real-world problems involving numbers less than 1000 with multiplication and division • Uses rounding to estimate answers to real-world problems involving numbers 1000 or greater using multiplication and division (whole numbers only) • Uses rounding to estimate answers to real-world problems involving fractions and mixed numbers

**RIT 211-220**
• Uses referent numbers to estimate answers when adding and subtracting fractions and mixed numbers • Uses rounding to estimate answers to difficult multiplication and division problems (whole numbers only) • Uses rounding to estimate answers to 1-step problems involving answers $20 or greater (using decimals) • Uses rounding to estimate answers to 2-step problems involving money (using decimals) • Uses rounding to estimate answers to real-world problems involving multiplication and division of numbers less than 100 (whole numbers only) • Uses rounding to estimate answers to real-world problems involving numbers less than 1000 with multiplication and division • Uses rounding to estimate answers to real-world problems involving numbers 1000 or greater using multiplication and division (whole numbers only)

**RIT 201-210**
• Uses front end digits to estimate answers in addition and subtraction problems (whole numbers only) • Uses front end estimation for multiplication and division (whole numbers only) • Uses rounding to estimate answers to addition and subtraction problems (whole numbers only) • Uses rounding to estimate answers to simple multiplication and division problems (whole numbers only) • Uses rounding to estimate answers to 1-step problems involving answers $20 or greater (using decimals) • Uses rounding to estimate answers to 2-step problems involving money (using decimals) • Uses rounding to estimate answers to 2-step problems involving money (whole numbers only) • Uses rounding to estimate answers to real-world problems involving numbers 1000 or greater with addition and subtraction (whole numbers only)

**RIT 191-200**
• Uses front end digits to estimate answers in addition and subtraction problems (whole numbers only) • Uses rounding to estimate answers to addition and subtraction problems (whole numbers only) • Uses rounding to estimate answers to 1-step problems involving answers less than $20 (decimals only, e.g., $1.20 + $2.75) • Uses rounding to estimate answers to 1-step problems involving answers less than $1 (whole numbers only, e.g., 10 cents + 10 cents) • Uses rounding to estimate answers to real-world problems involving numbers less than 1000 with addition and subtraction (whole numbers only)

RIT 181-190
• Uses rounding to estimate answers to real-world problems involving addition of numbers less than 100 (whole numbers only)