Quehl math vocabulary chapter 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| addends | numbers added together to give a sum
🗑
|
||||
| sum | the answer when adding two or more addends
🗑
|
||||
| commutative (order) property of addition | numbers can be added in any order and the sum will be the same
🗑
|
||||
| associative (grouping) property of addition | the grouping of addends can be changed and the sum will be the same
🗑
|
||||
| identity (zero) property of addition | the sum of any number and zero is that same number
🗑
|
||||
| fact family | a group of related facts using the same numbers
🗑
|
||||
| difference | the answer when subtracting two or more numbers
🗑
|
||||
| estimate | to give an approximate answer or number
🗑
|
||||
| rounding | replacing a number with a number that tells about how much or how many to the nearest ten, hundred, thousand, and so on
🗑
|
||||
| front-end estimating | a way to estimate a sum or difference by using the first digit of each number
🗑
|
||||
| compatible numbers | numbers that are easy to add, subtract, multiply or divide mentally
🗑
|
||||
| overestimate | an estimate that is greater than the exact number
🗑
|
||||
| underestimate | an estimate that is less than the exact number
🗑
|
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:
wildflower
Popular Math sets