PPT-Group practice on solving problems on adding and subtracting integers.

This is a class set Do not make any marks on this document direction Each of the students will need to record verbal model expression process and answer on notebook paper Dont forget the unit . By: Jenny Erickson. Adding in Scientific Notation. and. Subtracting in Scientific Notation. Adding and Subtracting…. The important thing to remember about adding or subtracting is that the exponents must be the same! . What You Will Learn. Some definitions related to integers.. Rules for adding and subtracting integers.. A method for proving that a rule is true.. Are you ready??. Definition. Positive number – a number greater than zero.. Adding/Subtracting with . Like. Denominators. Like denominators are denominators that are the same. Steps:. 1.) If there are whole numbers, add or subtract the whole numbers.. 2.) Add or subtract the numerators. adding, subtracting, multiplying, and dividing. If the signs of both numbers are alike, (both positive or both negative) add the two numbers and keep the same sign as in the original problem.. Example: -4 + -8 = -12. I can understand the problem.. I can try different strategies until I solve the problem.. I can keep thinking until I solve the problem.. Practice 2- Reason Abstractly and Quantitatively . I can use math to represent solutions.. Rational Expressions. Adding & Subtracting . Rational Expressions . with the Same Denominators. Finding the LCD of 2 or more Polynomial Denominators. Adjusting . Opposite Factors . in Denominators. Section 1-5. Goals. Goal. To find sums and differences of real numbers.. Rubric. Level 1 – Know the goals.. Level 2 – Fully understand the goals.. Level 3 – Use the goals to solve simple problems.. Adding, Subtracting, Multiplying, and Dividing Integers. Vocabulary. Integer- whole numbers and their opposites. Absolute value- A number’s distance from zero on a number line. Additive Inverse- The opposite of any number, x, is –x, and their sum is zero. Student Expectation. 7. th. Grade:. 7.1.2C. Use . models, such as concrete objects, pictorial models, and number lines, to add, subtract, multiply, and divide integers and connect the actions to algorithms. . 04/20/17. How do we use models to add and subtract integers?. How do we add or subtract integers without models?. Today We’ll Discuss. One of the main reasons for having negative numbers is that they give us . Soup – . er. mathematics. Adding integers. Option 1 . (SAME SIGN). . Add and take the sign of the bigger number.. Option 2. (DIFFERENT SIGNS). . Subtract and take the sign of the bigger number. What are Integers?. Integers are the whole numbers and their opposites.. …-3, -2, -1, . 0, 1, 2, 3… . Yesterday…. We learned to add integers using models such as number lines and integer tiles.. You have learned three methods for solving equations of the form. When . , you can solve by using the square root property. For example: . If the expression . is factorable, then you can use the Product Property of Zero. with Double Signs. We have been learning how to Add and Subtract Integers using: . Number Lines. Rules. Why Learn?. Well, let’s take a look at how a hike and a little “butterfly watching” ties this skill to the real world!.