Math+Strategies

It is important we understand numbers. Being able to take numbers apart and put them together in different ways always us to be able to apply what we understand as concepts become more challenging. These math movies are not to be used as steps or formula's but rather ways to guide understanding of numbers.

To View Video's: Make sure you have Windows Media Player, if not, it is a free download. Enlarge your screen to view the video larger.

Can you respond in 3 seconds or less with addition combinations that total 10? Continue to build with combinations of 11, 12, 13, etc...until reaching 20.

We refer to 10 as a friendly number.
 * ~ Addition Strategies ||~  ||~   ||
 * Addition: 2 digit + 1 digit - adding to 10

media type="file" key="Add 2 digit+1 digit using 10's.wmv" width="300" height="300" || Addition: 2 digit + 2 digit Split both numbers by place value

media type="file" key="Add 2 digit+2 digit by Place Value.wmv" width="300" height="300" || Addition: 2 digit + 2 digit Keep one number whole and split the other number by place value media type="file" key="Add 2 digit+2 digit 1 number whole-split other number by place value.wmv" width="300" height="300" ||