Students divide two- and three-digit dividends by two-digit divisors with single-digit quotients, and make connections to a written method.

Students divide two- and three-digit dividends by multiples of 10 with single-digit quotients, and make connections to a written method.

Students continue with dividing-dividends by two-digit divisors with single-digit quotients making connections to written method.

Students learn to use basic facts to estimate quotients with two-digit divisors.

Students explore division of decimals by double-digit divisors.

Students divide multi-digit dividends by two-digit divisors.

Students divide three- and four-digit dividends by two-digit divisors resulting in two- and three-digit quotients, reasoning about the decomposition of successive remainders in each place value.

Students continue dividing dividends by two-digit divisors resulting in multi-digit-quotients, decomposition reasoning of successive remainders.

Students solve division word problems involving multi-digit division with group size unknown and the number of groups unknown.

Students use divide by 10 patterns for multi-digit whole number division.

Students continue to solve division word problems involving multi-digit division with group size and number unknown.

Students use basic facts to estimate quotients with two-digit divisors.

Students apply patterns of the base ten system to mental strategies.