[ Review from Educational Journey of a TechnoBabe ] 
HandsOn Math: Interactive Number Sense creates a virtual math playground where students explore, investigate and discover mathematical concepts. When students are interacting with the Number Sense Playground colored number bars are used to represent whole numbers, fractions and decimals.
 Using HandsOn Math: Interactive Number Sense students can develop the following important mathematical concepts:
 Ordering and comparing whole numbers, decimals and fractions.
 Adding, subtracting, multiplying and dividing whole numbers, fractions and decimals.
 Locating whole numbers, fractions or decimals on a number line.
[ Instructor's Guide (PDF) ]
We recommend that you open the Instructor's Guide PDF from your iPad in a new browser page and save the document in your iBooks app. 



Number Bars Playground  Whole Numbers
Colorful Number Bars are used to represent all the numbers from 1 to 10. The playground offers ample room for the Number Bars to be moved, arranged, and grouped in order to represent mathematical ideas.
Topics:
 Compare and Order Whole Numbers
 Basic Operations of Add, Subtract, Multiply and Divide
 Properties of Real Numbers, for Example  The Commutative Property
 Locating Numbers on a Number Line
 Fact Families
 Greater Than, Less Than and Equal To
 Problem Solving





Number Bars Playground  Fractions
In Fraction Mode, the bars on Number Bars Playground are labeled with the fractions 1/10, 1/5, 3/10, 2/5, 1/2, 3/5, 7/10, 4/5, 9/10 and 1:
 Compare and Order Fractions
 Basic Operations with Fractions
 Least Common Multiple (LCM)
 Greatest Common Factor (GCF)



Number Bars Playground  Decimals
In Decimal Mode, the bars on Number Bars Playground are labeled with the decimals 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 2.0:
 Compare and Order Fractions and Decimals
 Basic Operations with Decimals
 Locate Decimals on a Number Line




Number Pad Quiz 

The Number Pad Quiz generates random addition problems to solve using using the Number Bars. Students tap the key pad to enter answers after using the Number Bars to investigate the problem. 
Problems are presented that involve whole numbers, fractions and decimals. 
