PPT-Addition and Subtraction of Integers

In this tutorial we will learn how to add and subtract signed numbers with the help of a toy car The line the car sitting on is called the number line where the positive numbers are on the right and the negative numbers are on the left. Adrian Liu, MIT. 10. 0. 0.02. 0.04. 0.06. 0.08. 10. 1. 10 mK. 1 K. 100 mK. Image credit: de Oliveira-Costa et. al. 2008. 1. Polynomials are not “natural”, but they happen to be fairly good.. Line-of-Sight Polynomial Subtraction. Essential Question: How do we multiply integers? How do we divide integers?. Multiplying Integers . The product of two integers with the same sign is positive.. The product of two integers with different sign is negative.. Mental Skills. Recognise the size and position of numbers . Count back in ones and tens. Know number facts for all numbers to 20. Subtract multiples of 10 from any number. Partition and recombine numbers (only partition the number to be subtracted). Essential Question: How do you compare and order integers?. Key Vocabulary . Integers: all whole numbers and their opposites . Negative Integers: integers less than zero. Positive Integers: integers great than zero. in Grades K-2 . . Hall County Math Frameworks. -Georgia Excellence Standards/Georgia Frameworks. Hall County Math Units. -Everyday Counts Calendar Math/ EDC Partner Games. -Manipulatives. -Websites & Apps. 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. . Patterns and Algebra . 21 . EVEN: 2 4 6 8 . 0. ODD: 1 3 . 5. . 7. . 9. 6 + 8 = 14. Addition and Subtraction 25. Patterns and Algebra . 21 . 8 – 6 = 2. Addition and Subtraction 25. Patterns and Algebra . Students will be able to use integers to represent the velocity and the speed of an object as evidenced by . the class discussion after watching a short video.. https://www.youtube.com/watch?v=M9NBZJR5tyo. Gabr’l Stackhouse. April 25, 2015. Purpose. To strengthen the teaching and learning of addition and subtraction word problems in kindergarten, first, and second grade classrooms.. Learning Goals. To understand why students think addition means “join together” and subtraction means “take away.”. Gaussian Integers and their Relationship to Ordinary Integers Iris Yang and Victoria Zhang Brookline High School and Phillips Academy Mentor Matthew Weiss May 19-20th, 2018 MIT Primes Conference GOAL: prove unique factorization for Gaussian integers (and make comparisons to ordinary integers) the positives. Beth Schefelker. Bridget . Schock. Connie Laughlin. Hank . Kepner. Kevin McLeod. October 26, 2012. Sharing of Professional Practice. Turn and Talk. Select one of the problems you did with students: . Suman . Baral. . a,c. , Travis Whyte . a,*. , Walter Wilcox. a. and Ronald . Morgan. b. a. Department. of Physics, Baylor University, Waco, TX 76798-7316, United States. b. Department. of Mathematics, Baylor University, Waco TX 76798-7316, United States. Curriculum Prioritisation for Primary Maths. These materials heavily reflect the prioritisation approach of the ready-to-progress criteria in the . DfE Primary Mathematics Guidance 2020. and on the . two-digit and single-digit numbers. Representations | Year 2. Number, Addition and Subtraction. How to use this presentation. You can find the teacher guide . 1.13 Addition and subtraction: two-digit and single-digit numbers .