For students at the beginning of 5th grade, it is important that they refresh these skills if they need to. I know they've done this level of addition and subtraction in previous grades, but summer slide is very real. Face it. Who sits down and does math problems every day during summer vacation?
If you haven't already, take a look at http://www.khanacademy.org/. It is chock full of mini lessons in every area of math that you can think of.
If you don't have time right now to browse this extensive site, the following links will take you directly where you need to go.
Click here for a review of addition using larger numbers w/renaming (also called borrowing.)
Click here for a review of subtraction using larger numbers w/renaming.
Click here for a lesson in addition of decimals.
Click here for a lesson in subtraction of decimals.
We will work on these skills in class, by themselves and within the context of word problems.
Notes to students:
- Remember to write neatly. Please don't make an error because you can't read your own numbers.
- Line your columns of numbers up properly. If this is tricky for you, do your math problems on a piece of lined paper turned sideways. Put one number in each vertical column, like we've done in class.
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