Math 6e Number Sense 2 - Mid-Unit Vocabulary
Help!
|
|
|
||||||
|---|---|---|---|---|---|---|---|---|
| Ratio | A comparison of two quantities that can be expressed as a fraction | given - 8 boys and 10 girlsratio - 8:10simplified - 4:5equivalent - 16:20, 80:100
🗑
|
||||||
| Proportion | An equation that shows two ratios are equivalent. | 4/5 = 32/404 x 40 = 5 x 32160 = 160
🗑
|
||||||
| Cross - Products | To determine if two ratios form a proportion use the _____________ | 4/9=?5/1040 is not equal to 45It is NOT a proportion because the cross-products are not equal!!!
🗑
|
||||||
| Base | The term used to represent the whole quantity in the percent proportion. | What is 20% of 40?40 is the base.
🗑
|
||||||
| Percent | A ratio that compares a number to 100? | 95% = 95/100
🗑
|
||||||
| Unit Rate | A ratio that compares two quantities with different units and when simplified hasa denominator equal to 1. | $2.25/32 oz. = $0.07 per ounce
🗑
|
||||||
| extremes | The first and last terms of a percent proportion. | 4:5 = 16:204 and 20 are the extremes.
🗑
|
||||||
| means | The two middle terms in the ratios of a proportion. | 4:5 = 16:205 and 16 are the means.
🗑
|
||||||
| Rate | Comparison of two quantities with different units. | 20 miles:30 minutes
🗑
|
||||||
| equivalent | Two ratios that have the same value. | 4:10 = 8:20 = 2:5, etc.
🗑
|
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.
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.
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.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
lholmes23
Popular Math sets