Lights, camera, action! Math educators consider how to improve their instruction by examining a model of the five-practice problem-solving model involving a movie theater. Participants examine cognitive demand in relation to problem...

Download these free worksheets to sharpen your number sense skills. Sheets focus on roman numerals, scientific notation, counting, expanded form, exponents, factoring, roots, and rounding.

Although part of the Teacher's Study Guide for the CAHSEE, this section of the document focuses on number sense. In this guide, teachers are shown sample questions correlated to state standards, given an explanation of the worthiness of...

This 342-page guide outlines and illustrates effective strategies for number sense and numeration to children in kindergarten through grade 3.

A chapter from a book on mathematics instruction for elementary students. Henri Picciotti explains why instruction in number sense, function sense, and symbol sense is important. He offers sample plans for operation sense.

Link to Learning is a site popular among Ontario teachers. This collection of sites addresses Number Sense and Numeration expectations in the Ontario Math curriculum for Kindergarten to Grade 8.

Link to Learning is a site popular among Ontario teachers. This collection of sites addresses Number Sense and Numeration expectations in the Ontario Math curriculum for Kindergarten to Grade 8.

Do you want to know how to pronounce really big numbers? Paul can teach you!

MathWorld provides a huge mathematics encyclopedia detailing the concepts of geometry, algebra, calculus, discrete math, number theory, and other math topics--complete with formulas, diagrams, examples, and references for thorough...

An interactive for working with ten frames or a variation of one. Choose characters or shapes for counters and lay them out in your frame. There are tools for duplicating, rotating, drawing, and deleting, as well as for typing an...

[Free Registration/Login Required] Solve the number puzzles as you practice basic addition skills and improve your number sense. The site has challenging activities with varying levels of difficulty.

Second graders will become more comfortable making sense of equations presented in missing answer (traditional) and missing number ( nontraditional) formats.

Numbers don't stop at 20! We spend the last week or so of school looking at the numbers beyond 20. Today we do it by looking at the number line.

Second graders solve change unknown story problems using a number line. This lesson gives students a new strategy to attach change unknown word problems.

Use this interactive math crossword puzzle to build number sense skills. Simply fill in the missing numbers based on the operation. Immediate feedback given to responses.

A succinct test on number concepts including problem solving, basic operations, and computation. Assessment is scored online and student score is compared with other student test scores. Great for use as a quick assessment.

Identify every number from 0 up to 20 with this interactive lesson. Click the how to do it button for instructions.

This compilation of math activities engages parents and children in the use of math whenever they are at home. Packed with concise, high interest activities, related illustrations, detailed "parent pointers," and easy to following...

An excellent compilation of activities that engage parents and children in math explorations at home. Detailed lessons covering a wide range of math topics such as fractions, measurements, money, data collection, and math in newspapers....

Make grocery shopping a mathematical experience. Parents and children explore a variety of math concepts through this collection of engaging math activities. Lesson are presented in varying levels of difficulty, offer "Parent Pointers"...

This is an excellent resource for teaching and learning about decimals. Three different interactive number lines help students visualize units in tenths and hundredths and decimals.

[Free Registration/Login may be required to access all resource tools.] For this learning module, students use their number sense when looking at different combinations of decimals being divided and, without calculating, state which...

[Free Registration/Login may be required to access all resource tools.] For this learning module, students use their number sense when looking at equations where decimals are being divided and, without calculating, state which quotient...

[Free Registration/Login Required] A collection of teacher created activities that focus on basic addition practice. Includes frog counters that can be printed and laminated, a dot-to-dot activity, and ready-to-use math worksheets that...