Adding and Taking Away The Easy Way Mental Maths Learning Objectives I will be able to use a number of different mental strategies to add and subtract.

Slides:

Advertisements

Similar presentations

How to subtract integers

Advertisements

2.1 Addition Combinations Objective: I can use addition combinations to solve addition problems using mental math.

Adding First, you need to know… Associative Property of Addition When: (a + b) + c = a + (b + c) Commutative Property of Addition When: a + b= b + a.

Mental Math Subtractions Additions

MENTAL MATH Adding Facts to = = =

MENTAL MATH General Review = 60 – 10 = =

PLUS-3 FACTS From Grade 2 Curriculum Document There are 6 plus-three facts: 5 + 3, 6 + 3, and 3 + 5, 3 + 6, A strategy for these facts is.

Adding and Subtracting Meters and Centimeters 3B: 6.1c.

Addition and Subtraction of Integers

Easy Adding and subtracting using number bonds Mental Maths Learning Objectives I will be able to rapidly say all my number bonds to 10.

7.3 Adding and Subtracting Rational Expressions with Common Denominators and LCD Math, Statistics & Physics 1.

12-6 Rational Expressions with Like Denominators Objective: Students will be able to add and subtract rational expressions with like denominators.

Subtracting INTEGERS. Strategy: Using Integer Chips.

1 Numbers & Basic Algebra – Math 103 Math, Statistics & Physics.

1-5 Properties and Mental Math Learn to use number properties to compute mentally.

1-5 Properties and Mental Math I CAN use the commutative and associative properties to add and multiply whole numbers. I CAN use the distributive property.

7.8 Adding Positive and Negative Numbers Miss Hepner.

Simplifying Expressions. The Commutative and Associative Properties of Addition and Multiplication allow you to rearrange an expression to simplify it.

Today we will be learning to explain the methods and reasoning used to complete calculations.

Solving One-step Equations Algebraically. The goal of solving equations: -To get one x alone on one side of the equation. The rule for solving equations:

Mental Maths Learning Objectives I will be able to use a number of different mental strategies to add and subtract.

Adding and Subtracting Decimals

Solving Inequalities by adding or subtracting, checking the inequality & graphing it!! This is so easy you won’t even need one of these!!!

Adding a Sequence of numbers (Pairing Method)

Properties are special qualities of something. Addition and multiplication have special qualities that help you solve problems mentally = MENTAL MATH!!

Commutative, Associative, Identity & Zero Properties

MENTAL MATH Subtracting Tens and Compensate Strategy: When subtracting numbers ending in 7, 8, or 9, round that number to the nearest tens and then add.

Subtracting Integers 7 th Grade Math Pg DART statement: I can subtract integers.

Using Mental Math Subtraction. 2 This jacket costs $152. It is on sale for $17 off. Using mental math, how much will this jacket cost? $ $17 = ?

Today we will be learning to work out answers to calculations by using: what we already know about addition and subtraction patterns of similar calculations.

Mr. Gifford’s 5 th Grade Math Lesson #10 Mental Math using values of 10.

When estimating, 1.) You should be able to do the computation in your head 2.) Your answer should be close to the exact answer 1-1 Estimating sums, differences.

© 2007 M. Tallman A Mental Math Strategy. © 2007 M. Tallman = 72 Step 1: 94 is close to 100; 100 is a much easier number to work.

7.4 Adding and Subtracting Rational Expressions with Unlike Denominators Math, Statistics & Physics 1.

Reverse Subtraction Objectives:  do a subtract by adding  check your answer by adding.

© 2007 M. Tallman A Mental Math Strategy. © 2007 M. Tallman = 364 Step 1: 96 is close to 100; 100 is a much easier number to.

Lesson 3.  Add and subtract multiples of 10 and some ones within 100.

1 st Grade Math 1st Grade Math By Kristen Harris.

Adding & Subtracting Decimals I will add and subtract decimals.

Addition. Mental Maths Learning Objective I am able to count in 2’s, 5’s, 7s, 10s, and ½’s.

6.1b Adding And subtracting polynomials

More Number Patterns (Can you find the rule?). Mental Maths Learning Objectives To be able to add and subtract 9 and 10 rapidly.

Grade 1 Math Assessment Using Mental Math Strategies to Add and Subtract Indicators, according to the Saskatchewan Grade 1 Mathematics Curriculum Numbers.

49c + 25c = 20c + 5c 1c + 4c Add and Subtract Money + 20c + 1c + 4c

Using Mental Math Subtraction.

L 8: Mental Math: Subtracting

Times Tables and Top Tips! The 2 times table

Fractions: Adding and Subtracting Like Denominators

Objective: Be able to add and subtract directed numbers.

Objectives By the end of the lesson students will:

Properties of Numbers Use mental math to simplify –2 • 13 • 5.

Objectives Use the Commutative, Associative, and Distributive Properties to simplify expressions.

Objectives The student will be able to:

Fractions: Adding and Subtracting Like Denominators

Objectives The student will be able to:

Add or Subtract? x =.

Adding and Subtracting Decimals

Adding and Subtracting Decimals

Add and Subtract within 20 Mentally

Objectives The student will be able to:

Year 2 Spring Term Week 3 Lesson 1

Year 2 Spring Term Week 3 Lesson 1

Objectives Use the Commutative, Associative, and Distributive Properties to simplify expressions.

Objective: Be able to add and subtract directed numbers.

Adding and Subtracting

Objectives The student will be able to:

Helford Class Writing Targets – Spring

Presentation transcript:

Adding and Taking Away The Easy Way

Mental Maths Learning Objectives I will be able to use a number of different mental strategies to add and subtract.

Adding on =

Adding on =

Adding on =

Now you try!

Subtracting strategy =

Subtracting strategy =

Subtracting =

You can now do it!

Mental Maths Learning Objectives I am now able to use a number of different mental strategies to add and subtract.