Mrs. Dufort's 3rd Grade Class: Math

Posted October 6, 2014

Number Talks

Posted January 18, 2014

Solid Figures are 3-Dimensional Shapes

Plane Figures are 2-Dimensional Shapes

Posted November 12, 2013

Here's how to multiply by 9's by using your fingers!

Posted October 26, 2013

Here are some spooky math websites that the students will use on Tuesday!

Ghost Blasters- Even numbered ghosts are unfriendly. Keep clicking on them when they appear.

Ghost Blasters II- For two players--on one keyboard.

and MANY more!!!

To get to the website with all of the games (on the lower right side of the page), click HERE

Posted October 1, 2013

Here's one way to subtract across a zero. It's call "Squaring Off."

Here's a "cinematic" way to subtract across a zero. It also involves "Squaring Off."

You can use this on-line tool for your timed tests. The 3rd grade goal is 100 facts in 7 minutes.

Count Up and Count Down Stopwatch

A Maths Dictionary for Kids (animated with answers!)

Calculator (Big with BIG sounds!)

UNIT 1: PLACE VALUE, ADDITION AND SUBTRACTION

Chapter 1: Understand Place Value

Understanding 1000 E-Lab

Place Value Puzzler

Cookie Dough

Place Value e-Lab

Place Value demo

MathCats Really Big Numbers

Place Value math.com

Writing Big Numbers

Place Value Information and Practice

Expanded Form to Standard Form

Place Value to Standard Form

Identify the Place Value

Number Machine

Chapter 2: Compare, Order, and Round Numbers

COMPARE, ORDER

Ordering Numbers E-Lab

Comparing Numbers Using a Number Line

The Number Line

One False Move (0rder Numbers)

Comparing Through Millions

Skillswise Greater Than, Less Than, or Equal

Skillswise Order Numbers

Compare 3-Digit Numbers

Order 3-Digit Numbers

E-Lab Modeling Comaring 2-Digit and 3-Digit Numbers

The Award Ceremony (Order Numbers)

Comparing Numbers

ROUND NUMBERS

Place Value Puzzler (select "Round Number")

Rounding Flashcards

Skillswise Rounding and Estimating

Glowla's Estimation Contraption

BasketMath Rounding

Numbernut (see Rounding and Estimating section)

Chapter 3: Addition

Math Model: Addition of 3-Digit Numbers E-Lab

Addition of 3-Digit Numbers E-Lab

Addition Machine

Add 'em Up (small numbers)

Line Jumper

Draggable Addition

Callum's Addition Pyramid

Number Line Addition Demo

Number Bonding

That's a Fact

Ultimate Speed Math

Math Magician (Addition)
Addition Math Games - Jet Ski, Kitten Match, Tug Team Addition, and Alien Addition,

UNIT 2: MULTIPLICATION CONCEPTS AND FACTS

Chapter 4

Subtraction

Math Model: Subtract 3-Digit Numbers

Subtraction Machine

Draggable Subtraction

That's a Fact

Math Magician (Subtraction)
Subtraction Math Games- Island Chase, Ducky Race, Tug Team Sailboat Subtraction, Minus Mission

Chapter 5

Understand Multiplication

Exploring Multiplication E-Lab

Number Patterns

Multiples of 2 Connect the dots (to 50)

Multiples of 2 Connect the Dots (to 100)

Multiples of 3 Connect the Dots

Balloon Guy Multiplication

Mickey Mouse Multiplication

Chapter 6

Multiplication Facts

Two Minute Warning Flashcards

Multiplication Hidden Picture

Times Table Grid Game

Multiplication Matho

Rectangle Multiplication

Show Multiples (Click on a number)

Scribble Scrabble Times Table

Count by 2s and 3s (on a grid)

Click on Bricks (facts to 4, illustrated)

Ultimate Speed Math

Quiz Hub Facts Quiz

Math Magician (Multiplication)
Multiplication Baseball (Funbrain)
Math Mayhem Multiplication
Tic Tac Toe Multiplication
Multiplication Concentration Game
Multiplication Math Games- Grand Prix Multiplication, Penguin Jump, Tug Team Multiplication, Space Race, Meteor Multiplication

Chapter 7

Facts and Strategies

That's a Fact

Chapter 8

Algebra: Facts and Properties

Stop That Creature (find the rule)

UNIT 3: DIVISION CONCEPTS AND FACTS

Chapter 9

Understand Division

Exploring Division E-Lab #13

Modeling Dision E-Lab #14
LearnZillion Division is Inverse Operation of Multiplication

Chapter 10

Division Facts

Division Bingo

That's a Fact

Math Magician (Division)
Division Derby
Drag Race
Tug Team Pony Pull
Demolition Division

Chapter 11

Facts through 10

Rectangle Division

UNIT 4: GEOMETRY AND MEASUREMENT

Chapter 12

Plane Figures

Chapter 13

Solid Figures

Solid Figures E-Lab #18

Rotate Geometric Solids

build a 3D shape from a net

Chapter 14

Perimeter, Area, and Volume

Shape Surveyor (Area and Perimeter)

Perimeter and Area Booster
area and perimeter
LearnZillion Lesson #1
LearnZillion Lesson #2
LearnZillion Lesson #3
LearnZillion Lesson #4
LearnZillion Lesson #5
LearnZillion Lesson #6
LearnZillion Lesson #7

UNIT 5: MULTIPLY AND DIVIDE BY 1 DIGIT

Chapter 15

Multiply by 1 Digit

Chapter 16

Multiply Greater Numbers

Chapter 17

Divide by 1 Digit

Learn and Practice Long Division HERE

UNIT 6: FRACTIONS AND DECIMALS

Chapter 18

Understand Fractions

Fractions Shaded