This site provides examples of comparing quantities, as well as exercises and simple games to practice the skill.

Improve your estimation and rounding skills with these interactive games that are challenging and fun. Excellent skills practice for rounding, estimating sums and differences, and front-end estimation. Links to lesson plans, teacher...

A complete tutorial that explains time, metric system, mass, length, volume, and temperature. Interactive practices and challenge games are included.

Students practice comparing decimal numbers. The resource has learners determine if the first decimal is more than, the same as, or less than the second decimal value.

This site explains how to divide fractions by whole numbers. It provides games and exercises to practice the skill.

Students review how to divide fractions by fractions. Practice problems are included.

This tutorial focuses on basic subtraction, subtraction facts, subtraction skills, subtraction of fractions and subtraction of positive and negative integers. Features include practice exercises and games.

Practice counting up to 20 with this interactive game.

This math tutorial offers an explanation of prime and composite numbers and lets students practice finding them.

This tutorial explains evaluating expressions, inequalities, the addition of equations, and subtraction of equations. Each section has an explanation, interactive practice, and challenge games.

This site reviews the process of converting feet to inches and inches to feet using multiplication or division. Students can practice the skills through self-check exercises and timed learning games.

This site reviews the process of converting gallons, quarts, and pints using multiplication or division. Students can practice the skills through self-check exercises and timed learning games.

This site reviews the process of converting gallons, quarts, and pints using multiplication or division. Students can practice the skills through self-check exercises and timed learning games.

This site reviews the process of converting feet to inches and inches to feet using multiplication or division. Students can practice the skills through self-check exercises and timed learning games.

Students can practice classifying polygons in a series of self-check exercises and timed learning games.

Students can practice identifying polygons through a series of self-check exercises and timed learning games.

Students identify place values in a series of self-check exercises and timed learning games.

Students can practice writing whole numbers in standard form through a series of self-check exercises and timed learning games.

Students review whole number place value through the hundreds and practice the skill through a series of self-check exercises and timed learning games.

Students can practice rounding whole numbers to the nearest hundred in a series of self-check exercises and timed learning games.

Students can practice rounding whole numbers to the nearest ten through a series of self-check exercises and timed learning games.

Students can practice converting whole numbers from expanded form to standard form in a series of self-check exercises and timed learning games.

This site reviews the process of adding feet and inches. It provides self-check exercises and timed learning games for students to practice the skill.

Students can practice estimating sums to the nearest thousand in a series of self-check exercises and timed learning games.