Adding Integers with T charts

Oct 27 Adding Integers with a T Chart

My favorite method I forgot

Step One

Draw a T Chart

Asynchronous Wednesday

Attendance Log and Assignments will be in Canvas.

Attendance taken at the end of the bell (9:40, 11:10 and 1:10)

I forgot. You need paper and pencil. Again.

2 minutes

Draw your T chart

Just like this.

40+13

• Ready

• Watch the video

• same sign, add the integers and keep the sign

Problem 2:

 $-11+54$  

• Ready

• Negative # on the negative side

• Positive number on the positive side

• watch the video

• [notice: different signs subtract & keep the sign of the larger]

Problem 3

 $12+\left(-17\right)$  

• Ready

• Negative # on the negative side

• Positive number on the positive side

• same sides, add and keep

• different sides, subtract and keep the sign of the larger side

On to Desmos

Test Practice