subtracting integers 1. write down the problem 2. lay down the first integer 3. add zero pairs until...
TRANSCRIPT
JOURNAL #20 OCTOBER 4, 2011
TAKE OUT BOTH PARTS OF 2.2 TO CORRECT. STAPLE THEM. YOU NEED 2 NEW PIECES OF
PAPER
CHAPTER 2.3Subtracting integers
1. Write down the problem2. Lay down the first integer3. Add zero pairs until you have
what you need4. Take away the second integer5. . Write your answer
STEPS TO SUBTRACTING INTEGERS
REMEMBER ZERO PAIRS…..
Copy each problem. Draw pictures to show what is
happening.
Add zero pairs until you have enough to take away what you need to.
You have to add zero pairs until you have enough to take away what you need to.
You have to add zero pairs until you have enough to take away what you need to.
Example of great pictures
Example of great pictures
THERE HAS TO BE AN EASIER WAY!!!
ADD THE
OPPOSITEa - (-b) = a+b
1. LEAVE THE FIRST #ALONE
2.CHANGE FROM SUBTRACT
TO ADD
3.OPPOSITE OF THE 2ND
#
Remember…only change subtract to add.DO NOT change add to subtract.