Operations and Expressions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| counting or natural numbers | The numbers we count with no decimals or fractions. 1, 2, 3, 4, 5…
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| whole numbers | natural numbers plus 0: 0, 1, 2, 3, 4…
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| integers | positive and negative whole numbers: …-3, -2, -1, 0, 1, 2, 3…
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| operations | Any of the single steps in a math problem. (+- × ÷ exponents and parentheses)
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| equation | A statement in math that says two things are equal using an equal sign. Ex: 2+3=5; 2x=4; y=2x-4
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| inequality | A statement in math that says one thing is greater than or less than or just not equal to another using one of the following signs: ˂ ≤ ≠ ≥ ˃.
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| expression | A statement in math that does not have an equal or inequality sign. Ex.: 2; 2x; 2x^2+4; 2xy+3z+13
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| term | One part of an expression separated by a plus or minus sign. In 2x^2+4x-5, 2x^2, 4x and -5 are the ____________.
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| variable | A letter representing a changing or unknown amount. In y = 2x – 4, y and x are _______________.
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| constant | A term in an equation with no variable. In y = 2x – 4, 4 is a _____________.
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| coefficient | The number that is being multiplied by a variable. In y = 2x – 4, 2 is a ______________.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
meminot
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