Number and Operations in Base Ten
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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| place value | The value of where the digit is in the number.
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| greater than | is used to compare two numbers when the first number is larger than the second number. Represented by symbol >.
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| less than | is a symbol used to compare two numbers, with the lesser number given first
2<4
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| equal to | A term that indicates the same amount, measure or quantity as another amount, measure or quantity.
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| comparisons/compare | Examine the difference between numbers, to decide if one number is greater than, or equal to another number. Examine how shapes are alike or different.
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| round | making a number simpler but keeping its value close to what it was.
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| inequality | that two values are not equal.
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| expression | Numbers, symbols and operators (such as + and ×) grouped together that show the value of something.
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| add | To bring two or more numbers (or things) together to make a new total.
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| addend | A number used in the mathematical operation of addition
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| sum | The result of addition
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| subtract | To take one number away from another.
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| difference | The result of subtracting one number from another
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| equation | says that two things are equal. It will have an equals sign "=" like this:
7 + 2 = 10 − 1
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| rectangular arrays | An arrangement of objects into rows and columns that form a rectangle. All rows and columns must be filled . Each row has the same number of objects and each column has the same number of objects.
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| area model | A model for multiplication problems, in which the length and width of a rectangle represents the factors.
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| multiply | The basic idea is repeated addition to find a product.
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| divide | split into equal parts or groups. It is "fair sharing".
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| factor | numbers you can multiply together to get another number.
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| product | The answer when two or more numbers are multiplied together
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| quotient | The answer after you divide one number by another
dividend ÷ divisor = ?
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| reasonableness | Within likely or sensible boundaries.
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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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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.
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:
ewall5
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