Curated OER
Problem Solvers
Fifth and sixth graders compare decimals to the place-value structure in the base-ten number system. They represent fractions as parts of unit wholes, as parts of a set, as locations on a number line, and as divisions of whole numbers....
Curated OER
The Art of Interpreting Percent
Ddefine the relationships between fractions, decimals, and percentages in a series of lessons. The class practices converting between these three versions of a number. They also find the common factor of a numerator and denominator and...
Curated OER
Defining Division
Upper graders explore division through fair-shares. They will review fair shares and fractions as a segway into division. They start by playing "Share Fairly" game and create mathematical arguments for solving problems. Manipulatives and...
Curated OER
Converting Fractions
Upper elementary and middle schoolers solve 30 problems in which fractions are converted to decimals and percents. There is no instruction on the page; problems are closely spaced with no room for pupils to show their work.
Curated OER
Change a Fraction to a Decimal
Upper elementary and middle schoolers change six fractions to decimals. The fractions involve one and two digit numbers. Pupils divide the larger number into the smaller, continuing the computations for six decimal places so they can...