Students engage in a lesson plan that is concerned with the standard of comparing the quantities of whole numbers using different strategies from the concrete to the abstract. They count objects and compare them, use symbols of...

Student study addition properties. In this addition properties lesson, young scholars use multiple methods to solve various types of problems. Students illustrate and describe in various ways the Commutative Property of Addition....

Students look at ratio, what it means for numbers or objects to be in a given ratio, and how ratios and fractions are related. They write and solve story problems which involve whole numbers, using addition, subtraction, multiplication,...

Learners study rectangles. In this math instructional activity, students use numbers, measurements and geometry to draw rectangles of varying sizes.

Students combine imagination, block manipulation, and computer applets to investigate fractions.

Students recognize the correlation between the trash they dispose of around their school and the environmental hazards that face wildlife, specifically the Laysan albatross. They determine three ways that they can help the albatross chicks.

Students listen to the problem read to them. They answer some simple questions using number sentences. They then compose a written record of the solution and share their approaches used.

In this division game learning exercise, students will work in small groups to play a game about dividing numbers. A teacher's guide with game instructions is included.

Review fraction concepts in this succinct but detailed overview. The lesson highlights decimals, fractions, percentages, estimation, and rounding concepts with related vocabulary. Use the Reciprocal Fraction or Rounding games to practice...

Students, teachers, and parents alike will enjoy this challenging math site. It contains a clever brain teaser section plus creative problems related to algebra, geometry, measurement, numbers, statistics, and probability. A Spanish...

Minutes become seconds in this lesson that focuses on time and measurement. This brief integrated lesson also explores science concepts regarding the relevance of a second. Fractions of seconds and decimals are also mentioned. The lesson...

Browse resources related to third-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.