Numbers and Operations

The designated hotlinked websites listed below will provide additional resources to reinforce, practice, and enrich the following number and operations concepts.

    Demonstrates fluency with mixed basic facts

A+ Math - Practice basic facts with flashcards, create your own worksheets, or play a game

All About Multiplication - Select the facts you want to practice

Relationships Between Multiplication and Division - Strategies to find the missing number     

Mad Math Minute - Choose the operation and limitations for the kinds of problems you want

Flashcards for Kids - This is the best practice site on the web!

ArithmATTACK! - How many basic facts can you do in 60 seconds?

The Number Monster - Choose from four operations and difficulty of problems

Math Square - Great logical thinking game utilizing both addition and subtraction understanding

Arithmetic-24 - Try this challenging thinking math fact game

Automaths - Reveiw all four operations

Maths Quiz - Use all four operations on this online crossword puzzle

Megamaths Tables - Review multiplication facts

FunBrain's Math Baseball - Practice all four operations ... even the algebra way

Tic-Tac-Toe Squares - Review, practice, and enrichment is found here

 

    Reads and writes whole and rational numbers from hundred billions to thousandths place

Quia! Decimal and Whole Number Jeopardy - Review place value and rounding skills

Quia! Decimal Match-Up - Match equivalent decimals or a decimal to its word form

All About Naming Numbers - Index of all naming numbers exercises on the aaamath.com web site

Identifying Place Value - Practice identifying the place of the digits in a given number

Place Value - Expanded Form - Write the compact number equal to the expanded form shown

Cookie Dough - Practice writing number words to 10,000

Words to Decimals - Practice writing decimals for the given words

Compare Decimals - Compare the values of two given decimals

Place Values of Decimals - Easy start for practicing learning place value of decimals

Value of the Place - Check the value of the place in these decimal numbers

What Is the Decimal Number? - Practice writing the decimal from reading words

Comparing Four-Digit Numbers - Choose greater than, less than, or equal to signs

Ordering Numbers - Decide where a given number should be placed as you order three numbers

One False Move - Practice ordering whole numbers ... negative and positive numbers

Guess the Number - Try to guess the computer's number

 

    Solves column addition and multi-digit whole number and decimal addition problems

All About Addition - Index of all addition exercises on the aaamath.com web site

All About Decimals - Index of all decimal exercises on the aaamath.com web site

Column Addition - Check your addition accuracy with these problems

Addition of Decimals - Sums will consists of whole number and tenths

Power Football - Practice all four operations with whole numbers and decimals

Adding Money - Watch the dollar signs and decimal points in your answers

Adding Five-Digit Numbers - Review your trading skills

Adding Seven-Digit Numbers - Check your accuracy with these problems

 

    Solves multi-digit whole number and decimal subtraction problems

All About Subtraction - Index of all subtraction exercises on the aaamath.com web site

Subtracting Decimals - Quick review of difference between decimals having tenths

Subtracting Money - Watch the dollar signs and decimal points in your answers

Subtracting Five-Digit Numbers - Review your borrowing and trading skills

Subtracting Seven-Digit Numbers - Check your accuracy with these problems

 

   Solves two/three digit multiplication whole number and decimal problems

Quia! Matching MultiplicationVocabulary Words - Match these words and definitions

Quia! Multiplication Benchmark Review - Check your multiplication knowledge with this pop-ups review

Mutiplying Three Numbers - How fast can you do these mental math problems?

Multiplying a Three-Digit Number by a One-Digit Number - Here's a multiplication starting point

Multiplying Thousandths by Tenths - Check your computation accuracy

Mutiplying Thousandths by Hundredths - Check your accuracy

Multiplying Thousandths by Thousandths - Great enrichment challenge

 

    Solves two-digit division whole number and decimal problems

Quia! Division Number Sense - Check your division number sense with this pop-ups review

Mixed Practice With All Four Basic Operations - Check your accuracy

Beginning Mental Math Division of Multiples of Ten - How fast can you do these?

Mental Math Division of Multiples of Hundreds - Check your mental math skills

Dividing a Two-Digit Number by a One-Digit Number - Here's a division starting point

Dividing a Three-Digit Number by a One-Digit Number - Great way to review

Dividing a 4-Digit Number by a 2-Digit Number - Check quotient and remainder accuracy

Dividing a Decimal by Whole Number - Check your decimal division accuracy

Dividing a Decimal by a Decimal - Great enrichment challenge activity

            

    Solves computational problems employing rounding and estimation skills        

Rounding to the Nearest Thousand - Practice your whole number rounding skills

Rounding to the Nearest Hundred Thousand - Review your rounding skills

Rounding Decimals to Nearest Tenth - Check your rounding skill accuracy

Rounding Decimals to Nearest Hundreth - Great activity for practicing basic skill

Estimating a Sum by Rounding to the Nearest Thousand - Great mental math practice

Finding Sums Using Front End Estimation - Practice this great estimation strategy

 

 

    Adds and subtracts fractions and mixed numbers with unlike denominators

 

Quia! Know Your Fractions - Quick review of some fourth grade fraction concepts

Quia! - Fraction Action Words - Match these fraction vocabulary words with their definitions

Visual Fractions - Everything you need to practice is here

Fractions - Index of all the great fraction lessons and activities on the coolmath.com web site

Comparing Fractions - Great way to start a review of fractions

Finding Factors - Review divisibility rules

Prime and Composite Numbers - Identify whether a number is a prime or composite

Comparing Fractions With Different Denominators - Check your thinking in this exercise

Identifying Equivalent Fractions - An important skill to know when working with fractions

Finding the Least Common Multiple - Skill needed to find common denominators

Finding the Greatest Common Factor - Skill needed to reduce fractions to lowest terms

Finding Least Common Denominators - Excellent practice exercise

Simplifying Fractions - Practice reducing fractions to lowest terms

Changing Mixed Numbers to Improper Fractions - Important skill needed

Changing Improper Fractions to Mixed Numbers - Skill needed to find final answer

Adding Fractions with Like Denominators - Great practice to check your accuracy

Adding Fractions With Different Denominators - Great practice adding and reducing fractions

Adding Mixed Numbers with the Same Denominator - Great practice to check your accuracy

Subtracting Fractions with Like Denominators - Great practice to check your accuracy

Subtracting Fractions with Different Denominators - Check your accuracy

Subtracting Mixed Numbers with the Same Denominator - Great practice to check accuracy

Soccer Shootout - Practice all four operations with fractions and whole numbers

Fresh Baked Fractions - Reduce these fractions to lowest terms and compare

    Other number and operation Internet websites

Converting a Fraction to a Decimal - Enrichment activity practicing basic skill

Finding the Percent of a Number - Discover how to figure percentages

Determining Percentages - Enrichment activity practicing calculating percentages

Converting a Percent to a Decimal - Enrichment challenge activity

Converting a Decimal to a Percent - Determine the answer to the nearest whole number

Converting a Percent to a Fraction - Great practice exercise

Converting a Fraction to a Percent - Enrichment challenge activity

Identifying Equivalent Decimals and Fractions - Great enrichment activity

Fractions and Equivalent Decimals - Check out this enrichment activity

Multiplying Fractions - Practice multiplying fractions

Multiplying Fractions by Whole Numbers - Great enrichment challenge activity

Dividing Fractions by Whole Numbers - Great enrichment challenge activity

Dividing Fractions by Fractions - Super challenging enrichment activity

Guess the Number Plus - Enrichment thinking including negative numbers

Line Jumper - Investigate positive and negative number

Adding Positive and Negative Integers - Try this enrichment challenge

Adding Positive and Negative Integers #2 - More enriching challenges

Subtracting Negative and Positive Integers - Super challenge

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