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Texas Instruments
Texas Instruments: Number and Operation Sense: Whole Numbers
In this activity, students attain a basic understanding of numbers and number operations, developing number sense, and gaining fluency in arithmetic computation. They also learn to use the calculator to explore the mathematical...
Queen's Printer for Ontario
E workshop.on.ca: Number Sense and Numeration, Grds 4 6: Addition, Subtract [Pdf]
Volume 2 of an eworkshop Guide to Effective Instruction in Math outlines and illustrates instructional strategies for teaching addition and subtraction to students in grades 4 through 6. Include a series of suggested activities.
Texas Instruments
Texas Instruments: Number and Operation Sense: Rational Numbers
Students learn to use the calculator to collect a set of data in order to identify patterns that illustrate important rational number concepts: the relationship between rational numbers and division, and equivalent fraction and decimal...
Mangahigh
Mangahigh: Number: Add and Subtract Fractions
This site provides students practice with the concept of adding and subtracting fractions. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Mangahigh
Mangahigh: Number: Add and Subtract Decimals
This site provides students practice with the concept of adding and subtracting decimals. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Mangahigh
Mangahigh: Number: Multiply and Divide With Integers
This site provides students practice with the concept of multiplying and dividing integers. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Mangahigh
Mangahigh: Number: Add and Subtract Radicals
Test your knowledge on adding and subtracting radicals.
NumberNut
Number Nut: Ordering Operations With Parentheses
A thorough lesson on order of operations that includes detailed examples and related vocabulary.
Texas Instruments
Texas Instruments: Number Sense
Order of operations goes beyond the traditional basic four operations to include positive and negative exponents and parenthesizes.
Math Slice
Math Slice: Sundee Slice Special Test
A concise tool for assessing a variety of math concepts including measurement, algebra, number sense, and data. Assessment is scored online immediately. An excellent tool for quick assessment.
CK-12 Foundation
Ck 12: Algebra: Operations With Numbers in Scientific Notation
[Free Registration/Login may be required to access all resource tools.] In this lesson students use scientific notation to find sums, differences, quotients and products of numbers. Students examine guided notes, review guided practice,...
Better Lesson
Better Lesson: Wanted: Runaway Number
SWBAT describe numbers using base ten language, models and number charts.
Mangahigh
Mangahigh: Number: Use a Decimal Calculation
Choose and operation to solve calculations involving decimals.
Mangahigh
Mangahigh: Number: Choose the Correct Operation
Determine the correct operation to complete the expression.
Mangahigh
Mangahigh: Number: Use Parentheses
Solve problems using parentheses to follow the order of operations.
CK-12 Foundation
Ck 12: Algebra: Operations With Numbers in Scientific Notation
[Free Registration/Login may be required to access all resource tools.] In this lesson students solve percent problems involving scientific notation. Students examine guided notes, review guided practice, watch instructional videos and...
E-learning for Kids
E Learning for Kids: Math: Hamburger Restaurant: Operations With Money
On this interactive site students learn to round numbers to the nearest ten thousand, determine the place value of any digit, and use ordinal numbers.
Mangahigh
Mangahigh: Number: Multiply Decimals and Larger Numbers
This site provides students practice with the concept of multiplying decimals . Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Mangahigh
Mangahigh: Number: Check Calculations
Test your knowledge with calculations including adding, subtracting, multiplication, and division.
Mangahigh
Mangahigh: Number: Calculator Problems Decimals
Test your knowledge of adding, subtracting, multiplying, and dividing decimals.
Mangahigh
Mangahigh: Number: Use Inverses
Explore addition and subtraction and how they are related.
Mangahigh
Mangahigh: Number: Relate Addition to Multiplication
Explore commutative, associative, and distributive properties for multiplication and addition and how they are related.
Mangahigh
Mangahigh: Number: Use a Calculator Parentheses and Memory
Explore parentheses, brackets, and braces to solve multi-step expressions.
Queen's Printer for Ontario
E workshop.on.ca: Effective Instruction in Math, 4 6: Big Ideas [Pdf]
Volume 1 in an eworkshop Guide to Effective Instruction in Math outlines and illustrates instructional strategies for explaining five big ideas of number sense and numeration to students in grades 4 through 6: quantity, operational...