Here are the links for Orbit Integers (adding integers game) and Integer Warp (multiplying integers game).
http://www.arcademics.com/games/orbit-integers/orbit-integers.html
http://www.arcademics.com/games/integer-warp/integer-warp.html
Wednesday, April 29, 2015
Wednesday, April 22, 2015
Subtracting Integers
Scared of subtraction involving negative integers? Don't be - remember, it's just addition in disguise!
The rule for subtraction is:
Add the OpPoSiTe!
Who likes fried chicken? It's one of my all-time favorites. :)
Img: thebittenword.com
So... what does fried chicken have to do with subtracting integers? Check out this cool chart from passyworldofmathematics.com:
Then, solve your problem as an addition problem. Here are a few examples:
-5 - 3 = ?
-5 + (-3) = -8 ---> Both numbers are the same sign, so we can add like normal and keep the sign.
7 - (-2) = ?
7 + 2 = 9 ---> Again, both numbers are the same sign, so we can add like normal and keep the sign.
4 - 8 = ?
4 + (-8) = ? ---> Now we've got addition with two different signs, so remember to use your absolute values!
The absolute values are 4 and 8. The difference between 4 and 8 is 4. Now, is it negative or positive? Look at the original number that had the greatest absolute value: -8. Since it's negative, we know the answer is -4.
The rule for subtraction is:
Add the OpPoSiTe!
Who likes fried chicken? It's one of my all-time favorites. :)
Img: thebittenword.com
So... what does fried chicken have to do with subtracting integers? Check out this cool chart from passyworldofmathematics.com:
Then, solve your problem as an addition problem. Here are a few examples:
-5 - 3 = ?
-5 + (-3) = -8 ---> Both numbers are the same sign, so we can add like normal and keep the sign.
7 - (-2) = ?
7 + 2 = 9 ---> Again, both numbers are the same sign, so we can add like normal and keep the sign.
4 - 8 = ?
4 + (-8) = ? ---> Now we've got addition with two different signs, so remember to use your absolute values!
The absolute values are 4 and 8. The difference between 4 and 8 is 4. Now, is it negative or positive? Look at the original number that had the greatest absolute value: -8. Since it's negative, we know the answer is -4.
Monday, April 13, 2015
Chapter 7 Study Guide
Hey guys. Here's a quick rundown of what will be on your Chapter 7 Assessment this Thursday:
Multiplying Fractions & Mixed Numbers:
Remember to first change any mixed numbers to improper fractions. Then, multiply the numerators straight across and the denominators straight across. Finally, simplify, either by "dividing down" or by using the GCF. Here's a graphic from WikiHow to demonstrate:
Dividing Fractions & Mixed Numbers:
Again, remember to first change any mixed numbers into improper fractions before you proceed. Then, multiply by the reciprocal of the second number (do not change the first number into its reciprocal, only the second). You can either simplify before you multiply or you can simplify after. Here's a graphic from WikiHow:
Finally, we covered patterns & sequences today. Remember to look for the pattern and to test it out before coming to a conclusion about finding the next number.
Happy studying!
Multiplying Fractions & Mixed Numbers:
Remember to first change any mixed numbers to improper fractions. Then, multiply the numerators straight across and the denominators straight across. Finally, simplify, either by "dividing down" or by using the GCF. Here's a graphic from WikiHow to demonstrate:
Dividing Fractions & Mixed Numbers:
Again, remember to first change any mixed numbers into improper fractions before you proceed. Then, multiply by the reciprocal of the second number (do not change the first number into its reciprocal, only the second). You can either simplify before you multiply or you can simplify after. Here's a graphic from WikiHow:
Finally, we covered patterns & sequences today. Remember to look for the pattern and to test it out before coming to a conclusion about finding the next number.
Happy studying!
Subscribe to:
Posts (Atom)