Practice your Algebra
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| u + v = 3 u + v = 3 u2 - v2 = ? | (3)(2) = 6
🗑
|
||||
| A student decides to sell lemonade at her school. She knows she will sell 90 glasses of lemonade each day. Each glass will cost her 30 cents to make. What is the minimum price she should charge per glass if she hopes to make $45 profit each day? | 50 cent for 90 glass would give her $45 profit, but it cost her 30 cent to make. So (50)(30) = 80 cent
🗑
|
||||
| t - s =0 A -- t B -- s Is t or s greater? | t - s =0 --> t = s t and s are equal
🗑
|
||||
| 3x+12/6 = (pie) | Divide the top and bottom of the left by 3 to give (x + 4)/2. Next, multiply each side of the equation by 2 to get: x + 4 = 2(pie) . Finally, subtract 4 from each side to get x = 2(pie) - 4.
🗑
|
||||
| Joan buys a CD at 25% off. Mary buys the same CD at full price. If Mary paid four dollars more than Joan, what is the regular price of the CD? | Joan saves $4.00 by buying the CD at 25% off. That means that $4.00 is 25 % of the full cost of the CD, which must be $16.00.
🗑
|
||||
| x > 5 A -- 5-x B -- -1 Is A or B greater? | Since x > 5, all we know is that 5-x is less than zero. We don't know how it compares to -1.
🗑
|
||||
| 6x+7/x What is the value of x? | If you spot the trick you can avoid tedious math. Since 7 will be added to 6x, when x = 7, the numerator is guaranteed to be divisible by 7.
🗑
|
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:
Tiffastic
Popular Math sets