Determine: a. the place value to thousandths of a digit in a given decimal number; b. the value of a digit; c. the digit of a number, given its place value.
Read and write decimal numbers with decimal parts to thousandths.
Use divisibility rules to find common factors of numbers: a. divisibility rules for 2, 5, and 10; b. divisibility rules for 3, 6, and 9; c. divisibility rules for 4, 8, 11, and 12.
Distinguish prime numbers from composite numbers using the Sieve of Eratosthenes.
Use divisibility rules to find common factors of numbers: a. divisibility rules for 2, 5, and 10; b. divisibility rules for 3, 6, and 9; c. divisibility rules for 4, 8, 11, and 12.
Distinguish prime numbers from composite numbers using the Sieve of Eratosthenes.
Estimate each of two decimal numbers to the nearest whole number to estimate their product.
Multiply decimal numbers with decimal parts of up to 2 decimal places.
Solve multi-step problems involving multiplication of decimals that may or may not also involve addition or subtraction of decimals, including problems involving money.
Estimate each of two decimal numbers to the nearest whole number to estimate their product.
Multiply decimal numbers with decimal parts of up to 2 decimal places.
Solve multi-step problems involving multiplication of decimals that may or may not also involve addition or subtraction of decimals, including problems involving money.
Estimate the quotient when dividing two decimal numbers by estimating the dividend and divisor to the nearest whole number.
Divide: a. 1- to 2-digit whole numbers resulting in a terminating decimal quotient; b. a decimal of up to 2 decimal places by a 1- to 2-digit whole number, resulting in a terminating decimal quotient of up to 3 decimal places.
Solve multi-step problems involving division of decimals that may or may not also involve the other operations with decimals, including problems involving money.
Estimate the quotient when dividing two decimal numbers by estimating the dividend and divisor to the nearest whole number.
Divide: a. 1- to 2-digit whole numbers resulting in a terminating decimal quotient; b. a decimal of up to 2 decimal places by a 1- to 2-digit whole number, resulting in a terminating decimal quotient of up to 3 decimal places.
Solve multi-step problems involving division of decimals that may or may not also involve the other operations with decimals, including problems involving money.