2-Digit Subtraction.

Slides:

Advertisements

Similar presentations

Equations: Repeating Decimals as Rational #s Honors Math – Grade 7.

Advertisements

Solving One Step Inequalities by Adding 2.9. Reminder: KFC Turn all subtraction into addition of its inverse.

Solving Equations = 4x – 5(6x – 10) -132 = 4x – 30x = -26x = -26x 7 = x.

Column Method for Subtraction. Steps to success 1.Put the largest number on top. 2.Place the digits in the correct column. 3.Show the subtraction and.

Solving Equations with Brackets or Fractions. Single Bracket Solve 3(x + 4) = 24 3x + 12 = 24 3x + 12 – 12 = x = 12 x = 4 Multiply brackets out.

Notes Over 5.4 Imaginary Numbers.

Writing Terminating Decimals as Fractions

Solve the equation -3v = -21 Multiply or Divide? 1.

6 x 99 Think: round off 99 to 100 So… 6 x 99 becomes 6 x 100 = 600 Then subtract: 600 – 6 = x 79 4 x 80 = 320 – 4 = 316.

Significant Figures Part 2 Problem Solving Applications.

Percent of change. Find the percent of change from a 28 to a 21 Step 1: Subtract = 7 Step 2: Make a fraction Difference Original amount 7 28 Step.

4.8 – Solving Equations with Fractions

Module 2.9 Solving Addition Word Problems. In your group create a story problem to match your assigned equation. How do you know that the story matches.

© Hamilton Trust Keeping Up Term 1 Week 3 Day 3 Objectives: Subtract two-digit numbers from two-digit numbers and from numbers between 100 and 200 by counting.

$100 $200 $300 $400 $100 $200 $300 $400 $300 $200 $100 Balance equations Addition / subtraction of 3 digit numbers Guess the number after subtraction.

2 DIGIT SUBTRACTION (with regrouping) In this lesson you will learn to subtract 2-digit numbers... Look at the following subtraction:

Solving 2 step equations. Two step equations have addition or subtraction and multiply or divide 3x + 1 = 10 3x + 1 = 10 4y + 2 = 10 4y + 2 = 10 2b +

$100 $200 $300 $400 $100 $200 $300 $400 $300 $200 $100 Subtraction sentence with pictures Subtract to get zero Subtract & balance equations Ways to.

Greater than / Less Than (RED) 582 Use the three numbers below and make the largest number you can. Draw a blank number line and write this at the correct.

4-6 Solving Equations with Fractions What You’ll Learn ► To solve one – step equations ► To solve two – equations.

Breaking down basic facts 2 x 3 x 4 4 x 3 x 2 6 x 4.

Long Division. Warm Up Exercise Solve for the following problems 1.56 ÷ ÷ ÷ ÷ ÷ 6.

Today we will be learning: to recognise and use patterns in subtraction to use patterns to solve further problems.

Long Division Methods Method 1.

Two Digit Subtraction without Regrouping

Adding and Subtracting Integers is like …

Solve more difficult number problems mentally

Do Now Solve (-51) = (-47) = = 12 + (-42) =

Year 3 Maths Week 12.

Solving Inequalities Using Addition and Subtraction

Variables on Both Sides with Equations

Problem-Solving Steps Solve Problem-Solving Steps Solve

Subtraction – Removal Grades

6-3 Solving Systems Using Elimination

Hundred Dollar Questions

2 Digit Subtraction Around the Room

Year 2 Autumn Term Week 9 Lesson 3

Subtraction 3rd – 5th grade

Year 2 Autumn Term Week 3 Lesson 5

Do Now 1) t + 3 = – 2 2) 18 – 4v = 42.

3-2 Solving Inequalities Using Addition or Subtraction

Objective- To find the opposite of a sum or difference.

Objective- To find the opposite of a sum or difference.

Adding 2-Digit Numbers Name: ___________________________

Add and Subtract Mixed Numbers

QQ1 1. Simplify: -2(x + 3) 2. Simplify: 3[(5 + 72) – 20] = -2x - 6

Chapter Three: Expressions and Equations

Add or Subtract? x =.

Solving One and Two Step Equations

Hundred Dollar Questions

Solving Inequalities Using Addition and Subtraction

Solving Equations by Adding and Subtracting Solving Equations

Chapter Eleven Advanced Inequalities

Hundred Dollar Questions

Breaking Factors into Smaller Factors

Do Now Solve. 1. –8p – 8 = d – 5 = x + 24 = 60 4.

Solving basic equations

Addition & Subtraction Addition & Subtraction

Algebra with Whole Numbers

Notes Over Using Radicals

Difference means find the answer by Subtraction.

+/- Numbers Year 2-3 – Addition and subtraction of two-digit numbers

Year 2 Summer Term Week 3 Lesson 5

Notes Over 6.1 Graphing a Linear Inequality Graph the inequality.

= 4 = 2 Task 2: Shapes for numbers Build-up part 1

WORKED EXAMPLES I SEE PROBLEM-SOLVING – LKS2 GARETH METCALFE

Presentation transcript:

2-Digit Subtraction

T U T U T U 39 15 98 54 75 33 T U T U T U 81 30 66 44 58 21

T U T U T U 85 20 64 50 49 30 T U T U T U 70 50 51 10 98 40

T U T U T U 92 70 64 60 52 20 T U T U T U 75 10 95 30 83 40

T U T U T U 92 31 84 23 76 41 T U T U T U 95 14 54 33 34 12

T U T U T U 28 3 87 2 69 7 T U T U T U 18 6 77 5 54 4

T U T U T U 85 79 9 66 1 T U T U T U 38 6 67 5 58 7

Solve these problems. T U T U T U 85 12 99 20 56 51 T U T U T U 54 22 68 31 36 16 T U T U T U 89 52 85 45 23

Solve these problems. T U T U T U 85 30 99 20 56 10 T U T U T U 43 20 68 50 56 40 T U T U T U 89 80 85 70 56 30