Welcome to Mrs. Burian's PortaPortal!
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Step-by-step instructions & examples for various math skills
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Interactive arithmetic lessons (Grade K-8)
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Math lessons, practice, games, and dictionary
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Browse through common questions & answers about math. (Search by grade level or topic)
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Search for help by math topic. (Grade 4-8)
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Easy-to-understand definitions, with illustrations and links to further reading
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Interactive dictionary with definitions, examples, activities, practice, and calculators
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An interactive math dictionary with enough math words, math terms, math formulas, pictures, diagrams, tables, and examples to sa
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Math formulas, definitions, properties, diagrams and examples
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Build number sense
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Pictures briefly flash of Base ten blocks, Five frames, and Ten frames. Then, you write the number shown.
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Number sense, add/subtract within 20
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Click on the sum (answer) of addition problems to reveal a hidden picture.
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Click on the difference (answer) of subtraction problems to reveal a hidden picture.
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Match the multiplication problem to the product (answer) to reveal a picture.
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Match the division problem to the quotient (answer) to reveal a hidden picture.
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Practice addition, subtraction, multiplication, or division facts.
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SET A GOAL & PRACTICE! (Example: "I will do a 10 minute addition workout once a day.") Start with 1+1 to 4+4 facts.
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Practice Addition Facts
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Drag and drop the number cards to make "sum" sense.
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Use Base 10 Blocks to Add 3-Digit Numbers with Regrouping
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SET A GOAL & PRACTICE! (Example: "I will do a 10 minute subtraction workout once a day.") Start with 2-1 to 6-4 facts.
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Practice Subtraction Facts
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Drag and drop cards to make "sum" sense.
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Use Base 10 Blocks to Subtract 3-Digit Numbers with Regrouping
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Set a goal! (Ex: "I'll do one 10 minute mutliplication workout every day.") Practice all facts or a times table (x2).
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Practice Mulitiplication Facts
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Drag and drop the number cards to make "sum" sense.
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Practice multiplying single-digit numbers with this interactive multiplication table.
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Set a goal! (Ex: "I'll do one 10 minute division workout every day.")
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Practice Division Facts
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Drag and drop the number cards to make "sum" sense.
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Practice addition, subtraction, multiplication, and/or division facts.
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Identify fractions using pizzas.
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Match the fraction to the number line.
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Explore relationships among fractions while playing this interactive game.
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Explore different representations for fractions (including improper fractions).
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Earn fish for the fish bowl by dragging coins and bills to represent the value shown. (Level 1, 2, & 3)
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Count the money on each side then use the <, >, and = symbols to compare sides.
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Solve word problems using thinking blocks.
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Challenge yourself with addition/subtraction & multiplication/division word problems.
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Challenge yourself with addition/subtraction & multiplication/division word problems.
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Get 5 questions correct and you can play some basketball!
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Learn how to tell time to the hour and then practice.
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Practice reading a clock, input times for the clock to display, or let the clock generate random times for you to read.
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Help Marvin travel through time to find his astronaut friend.
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Type the time shown on the clock. Practice telling time in 15, 5, or 1 minute intervals.
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Look at the analog clock and then select the digital clock that shows the same time. (10 Questions)
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Help Marty choose the right train.
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Figure out the elapsed time by looking at two analog clocks.
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Drag five digital times to the correct analog clock and then press "Stop the Clock" to record your time. (1 hour intervals)
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Drag five digital times to the correct analog clock and then press "Stop the Clock" to record your time. (1/2 hour intervals)
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Drag five digital times to the correct analog clock and then press "Stop the Clock" to record your time. (15 minute intervals)
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Drag five digital times to the correct analog clock and then press "Stop the Clock" to record your time. (5 minute intervals)
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Drag five digital times to the correct analog clock and then press "Stop the Clock" to record your time. (1 minute intervals)
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Answer the questions using bar graphs.
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Answer the questions using the graphs.
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Use graphs to answer the questions.
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Select answers using information from tables and schedules.
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Answer the questions using the graphs.
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Answer questions using comparative bar graphs.
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Answer the questions using the Venn Diagrams.
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Work with spinners to learn about numbers and probability.
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Click on the picture that best represents the vocabulary word.
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This is a short lesson about ordered pairs. (It is animated and has sound.)
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Can you pass this driver's test? Drive a car to certain spots on a grid and see what happens.
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Drag and drop points onto the graph to explore a coordinate grid.
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Score points by clicking on the correct coordinate. (7 different levels of difficulty)
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Multiple choice: Click on the correct coordinate for each point. (easy, medium, and hard levels available)
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Click the arrow keys to guide Billy to the coordinates of the hidden grub. How fast can you feed Billy 10 times?
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You have 90 seconds to enter the coordinates of friendly aliens on Planet Algebra!
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Select "Guess Mode", enter the "address" (coordinates) of the house, and click "Check" to see if you're right.
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Play the easy, medium, and hard version of Graph Mole.
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Explore the coordinate grid using this interactive site.
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***USE HEADPHONES*** if other students are around. Enjoy this catchy math jingle!
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Learn how to use a protractor and practice measuring angles.
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Drag angles into the correct category.
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Select the object that has been rotated a certain number of degrees.
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Calculate the area of the rectangles.
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Calculate the area of the rectangles.
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Explore the number of chairs needed when tables are arranged in a restaurant. (Perimeter)
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Drag horizontal and vertical lines of symmetry onto a figure.
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Drag figures into the "Symmetry" or "No Symmetry" container.
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Complete or create patterns with horizontal or vertical lines of symmetry.
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Drag figures into the "Polygon" or "Not a Polygon" container.
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Identify triangles as equilateral, isosceles, or scalene.
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Play this game to practice reading an inch ruler. (1, 1/2, 1/4, 1/8, 1/16)
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Play with centimeters or inch rulers.
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Measure to the nearest centimeter.
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Complete the repeating pattern.
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Complete the counting pattern.
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Arrange colors to complete a pattern.
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Explore relationships among the weights of various objects by placing them on either side of a balance scale.
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Explore relationships among the weights of various objects by placing them on either side of a balance scale.
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Put your math skills to the test on this game show!
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Use all seven Chinese puzzle pieces to make shapes and solve problems.
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Try to find the hidden combination of color pegs.
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Choose 1 of the 5 levels of difficulty. Start with "Beginner" and work your way up!
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How long a sequence can you remember?
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This is a computer version of the dots and boxes game I used to play when I was a kid.
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The lines are crossing each other all over the place! Move the vertices (corner points) and bring order.
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