PPT-Learning How to Add and Subtract!

By Megan Hickam If you are looking at these activities at home have a parent or adult help you What is addition Definition If A and B are nonnegative numbers then we can define the sum AB as the total numbers then we can define the sum AB as the total number of objects we will have if we start with A objects and then get B more objects . 2. Subtract Fractions ith LinesName________________________Shade the difference between the minuend and subtrahend in the difference number line and write a number sentence that describes the picture. EQ: . Which strategies are helpful when performing operations on multi-digit decimals. ?. Vocabulary: . sum, difference, algorithm, subtrahend, minuend. Guided Practice. 67.23+ 9.3 + 0.758=. Estimate and explain your estimation. Need two highlighters. 0. Positive. Negative. 5. - 5. Numbers increase in value from left to right. <. Owe . Below. Loss . Debt. Above . Gain . Received. Increase. Write an integer for each situation. By: Ashley and Miles. Step 1. First look at your subtraction problem below and see if you need to regroup.. 782. -579. ?. Step 2. Now we begin to regroup, we start with the ones place it is the one that is (. 5.4 Regrouping to Subtract Mixed Numbers. Review from Yesterday. Add or subtract.. 1.. . 2.. . . 3.. . 4.. . . 5. 8. 6. 5. 9. 11. __. 11. 20. __. 2. 9. __. Jimmy and his mother planted a tree when it was 1 ft . minuend. subtrahend. difference. HOW TO SUBTRACT FRACTIONS. http://www.visualfractions.com/investigate.htm. This picture shows the . minuend. , . subtrahend. , and . difference. . The . difference. There are 125 children in Year 6. 52% of them are girls. . 20% of girls do not play football. Five times as many boys play as do not play football.. Fill in the table.. . Girls. Boys. Play football. Rational Expressions. Adding & Subtracting . Rational Expressions . with the Same Denominators. Finding the LCD of 2 or more Polynomial Denominators. Adjusting . Opposite Factors . in Denominators. with . Regrouping. -. 1. Look at the ones.. Ask:. “Can we take 3 away from 2?”. 8 2. -. 5 3. If we can’t, then we have to regroup.. 2. Regroup as needed.. 8 2. -. 5 3. 1. st. : . Go next door to the tens and take one away.. A Division Algorithm. Created by Rina Iati, South Western School District, Hanover, PA. The Partial Quotients Algorithm uses a series of “at least, but less than” estimates of how many b’s in a. You might begin with multiples of 10 – they’re easiest.. A Division Algorithm. Created by Rina Iati, South Western School District, Hanover, PA. The Partial Quotients Algorithm uses a series of “at least, but less than” estimates of how many b’s in a. You might begin with multiples of 10 – they’re easiest.. A farmer uses ¾ of his field to plant corn, ⅙ of his field to plant beans, and the rest to plant wheat. What fraction of his field is used for wheat?. A farmer uses ¾ of his field to plant corn, ⅙ of his field to plant beans, and the rest to plant wheat. . Please get out paper for today’s lesson. --------------------------------------------------------. Name. Date. Period. 7.NS.A.2. Apply and extend previous understandings of multiplication and division and of fractions to multiply and divide rational numbers. ELA/Literacy and Mathematics. Understand the Change. Be the Change. How to Change. 6-month objectives: ELA. Materials. : . Shift in what students are reading – within existing materials. Reading lists include a balance of literature and informational text.