Chapter 2: Large Numbers and the Calculator
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A Little Bit of Millions
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Place Value Up to Billions
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Exponents and Powers
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Adding and Subtracting Large Numbers
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Rounding
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The Calculator
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When to Use the Calculator
Practice addition in expanded form with this 10-question quiz.
Can you say really big numbers?
Enter a really big number, try to say it out loud, and see it written.
Fruit Splat Compare Numbers
Compare numbers by choosing < , > , or = . Choose level six.
Place Value Quiz
Practice identifying the place values of the digits in large numbers with this 10-question quiz.
Quiz on Large Numbers
Test your knowledge about numbers with this 10-question multiple choice quiz.
Megapenny Project
This page visualizes big numbers with pictures of pennies.
Powers of Ten
A 9-minute movie that illustrates the dramatic changes of scale when zooming in or out by powers of ten (40 powers of ten), starting from a picnic blanket and ending in the universe, and then starting from a hand, all the way to a proton inside an atom.
Exponents Quiz from ThatQuiz.org
A 10-question quiz, fairly easy, and not timed. You can change the parameters as you like.
Pyramid Math
Choose “POW’ to practice exponents. Drag the triangle with the right answer to the vase.
Picture Matching - Exponent Values
Match the powers with their values and reveal a pretty picture.
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Exponent Game
A card game to practice exponents. Limit the cards to small numbers, instead of using the whole deck.
Otter Rush
Choose the correct value for “x” in exponent expressions (such as 2x = 16) in this racing game.
Adding and Subtracting Powers of Ten
This interactive quiz practices adding and subtracting powers of ten with numbers up to 1,000,000.
ROUNDING AND ESTIMATING
Rounding Quiz
Practice rounding large numbers in this interactive 10-question quiz.
Alice's Cross-Number Puzzle
Respond correctly to the clues and when you finish, your answers will form upside-down calculator words.
Estimation Valley Game
Practice estimation with this math golf game. The better you estimate, the more accurate your shot!
Estimation at AAA Math
Exercises about rounding whole numbers and decimals, front-end estimation, estimating sums and differences. Each page has an explanation, interactive practice, and games.
CALCULATOR
Using a Calculator
Practice your calculator skills with this challenging quiz! Note: Some of the questions use concepts not studied in this grade.
Powers Puzzle
This exploratory math exercise will get students to exploring numbers with the use of a calculator.
Magical Calculator Birthday Math Trick
Have fun with this amazing calculating trick!
Calc-a-hundred
In this game for two players, take turns multiplying numbers on a calculator to see who can be the first one to make the total equal one hundred point something.
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