Showing Results for estimating to subtract

Here's an activity that will get your child's attention with a back-to-school shopping spree. He'll use decimal skills to add, subtract, multiply, and divide!

By using your child's own activity schedule, you can strengthen his understanding of elapsed time, and get him organized along the way!

Here's an interactive, fast-paced game that will make your fifth grader feel more comfortable with simple equations.

This science fair project will help students learn about non-vascular plants, such as mosses.

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

This entertaining magic trick will 'trick' kids into using math skill to impress their friends!

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

Here's a simple, fun activity which will save you time and reinforce your child's math skills along the way.

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Science fair project that determines whether mass and weight are the same or different.

Help your child create a rebus message for a unique Father's Day card or poster; it's like a collage and encoded message all in one!

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.