Decimals
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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Whole number | Simply the numbers 0, 1, 2, 3, 4, 5,
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Decimal number | A number (based on the number 10) that contains a decimal point. From Latin decima: a tenth part).
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Decimal point | A point or dot used to separate the whole number part from the fractional part of a number.
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What are Decimals, Fractions and Percentages? | Just different ways of showing the same value.
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Write a Half as a decimal: | 0.5
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Write a quarter as a decimal: | 0.25
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The easiest way to divide by 100 is... | Move the decimal point 2 places to the left.
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The easiest way to multiply by 100 is to... | Move the decimal point 2 places to the right.
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The easiest way to convert a fraction to a decimal is to... | Divide the numerator by the denominator.
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The easiest way to convert a decimal to a fraction is to... | Say it, write it, simplify it.
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As we move left, each place value... | Is 10 times bigger
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As we move right, each place value... | Is 10 times smaller
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Place Value | The position (or "place") of each digit.
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Addition | Finding the total, or sum, by combining two or more numbers.
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Sum | The result of adding on number to another.
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Addend | The numbers being added together in an addition problem.
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Minuend | The number that is to be subtracted from.
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Subtrahend | The number that is to be subtracted.
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Difference | The result of subtracting one number from another.
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What are the rules for multiplying with decimals? | Multiply normally, ignoring the decimal points.
Then put the decimal point in the answer - it will have as many decimal places as the two original numbers combined.
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What are the rules for adding and subtracting decimals? | Write down the numbers, with the decimal points lined up. Put in zeros so the numbers have the same length. Add, put the decimal point in the answer.
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What are the steps to Divide a decimal by a whole number? | Divide as usual, but place the decimal point in the same spot as the dividend.
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Dividend | The number being divided.
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What is the rule for dividing with by a decimals number? | You must shift the decimal point of both numbers in the problem to the right until you are dividing by a whole number.
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"Divisible by" means... | When you divide one number by another the result is a whole number.
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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:
hamm
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