Placing Negative Numbers On A Number Line

Why was the obtuse angle upset? Because it was never right! A valuable resource is loaded with background information on types of angles and lines. Learners review the characteristics of parallel, perpendicular, and intersecting lines,...

Are your fourth graders having problems with decimals? Help them identify the place value of various numbers. Here, they describe what happens to the value of different numbers, as well as select numbers with given values in the tenths...

Quiz your second graders with this set of math worksheets involving place value, word problems, number sequence, greater than/less than, coin value, expanded form, and much more! Most have multiple choice answers provided, and generally...

Students explore number values by completing mathematical worksheets in class. In this decimals instructional activity, students identify the different place values a number has and the use of decimals to represent a fraction of a...

Challenge your class with this place value activity. There are ten sets of four numbers, and they use three number from each set, to construct the smallest number possible. This is a great game to play prior to introducing decimals and...

Having a good number sense is key to understanding place value. This video clearly explains the place values that comprise a decimal number. It is a very straight forward presentation and would be appropriate for grades 3, 4, or 5. Sal...

Using a number line can provide students with a concrete representation of the value various numbers hold. Sal plots 6 different numbers on a number line. He includes whole, decimal, and negative numbers.

Multiplying with multiples of 10, 100, and 1,000 provides an opportunity to discuss patterns that arise with zeros. The class uses these patterns to solve problems. Then they rotate through three work stations, including a computer-based...

Students work in a group to prepare a poster about a new number system. They research a variety of number systems, create new symbols for their original number system and develop a tutorial for the class.

Organization is the best way to make sure that ratios are set up correctly to be proportional. This video reviews how to solve ratio problems with addition and multiplication, shown in more detail in the prior two videos of this series,...