PPT-Adding and Subtracting

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 . Use mental math to calculate each answer Explain your strategy a 54 29 b 88 32 c 100 48 d 70 14 2 The Boston Marathon is a 42 km run Aaron ran the marathon in 100 min Use mental math to calculate Aarons distance and time at each point during the 42 eserved. Adding and Subtracting Time You can add and subtract time.Remember that there are 60 minutes (min) in 1hour (h). 6 h 32 min7 h 16 min
6 h  60 min  16 min  2 h 43 min
6 h  76 min 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. and Subtracting . Fractions. Pre-Algebra. Objectives. Add . proper fractions. Subtract proper fractions. Solve a word problem involving . . addition and subtraction of fractions..  .  .  .  .  . By manipulating constraints and adding/subtracting slack/surplus variables, we can get b 0 4.7s.t. 2X 2X X X unrestricted Let X with XAdd slack variable XSubtract surplus variable Rational Expressions. Adding & Subtracting . Rational Expressions . with the Same Denominators. Finding the LCD of 2 or more Polynomial Denominators. Adjusting . Opposite Factors . in Denominators. Numicon Resources 3 sparrows and 2 blue tits3 pigeons and 4 sparrows1 robin, 4 sparrows and 3 robins1 thrush and 2 sparrows1 robin and 1 thrush3 blackbirds and 1 pigeon 1 blackbird and 4 sparrows7 spa 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.. 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. To add or subtract rational expressions use the addition property:. Taken from http://podcasts.shelbyed.k12.al.us/sclemons/files/2011/05/add-subtraction-rationals.ppt#1. If the expressions have the same (common) denominator, add or subtract the numerators, keep the same denominator, and simplify the result.. Joshua ate ¼ of a pan of brownies. His brother James ate . 2. /. 4. of the pan. How much of the pan was eaten all together? . Equation: __________________. 2. Chris had a piece of wood that was . 7. Multiplying Polynomials. Dominos. Dividing Polynomials. using Long Division and Synthetic Division. Birthday. Polynomial Poster. Characteristics. of Polynomials. Complete. the Chart. Characteristics of Polynomials.