We think you have liked this presentation. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you!
Presentation is loading. Please wait.
Published byWill Carnley
Modified over 2 years ago
Estimation sums to 99 or less SOL 2.7 Grade 2 Created by; Kim Smith
Estimations are_______. A.Exact answers B.As close as possible to exact C.Guessing D.Adding numbers for answers
Why do we estimate? A.To have an exact answer. B.To save time when an exact answer is not needed. C.To use as much tine as we need. D.None of the above
When we estimate, do we add whole numbers? A.Yes B.No C.I do not know D.I can’t tell you
When estimating we combine numbers in many ways? A.No B.Yes C.Who knows D.I don’t know
When estimating do we usually depend on place value? A.Never B.Only when I have to. C.Yes D.I have no idea what you mean
If you have 10- ones what could you exchange them for? A.5 ones B.10 ones C.1 ten D.10 tens
In estimation if you have 28 ones what could you exchange them for? A.28 tens B.3 tens C.2 tens D.1 ten
If you need to estimate the sum of what would you choose? A.1 ten + 2 tens B.2 tens + 2 tens C.2 tens + 1 ten D.1 ten + 1 ten
If estimating the answer = you would use what? A.8 tens + 6 tens B.8 tens + 6 ones C.9 tens + 6 tens D.9 tens +7 tens
Estimating Differences SOL 2.8 Grade 2 Created by; Kim Smith.
Measurement Measuring coins and money symbols SOL 2.11 Grade 2 Created by; Kim Smith.
Commutative Property of Addition 2+3 = 3+2 *This property states you can add two numbers in any order!
Adding and Subtracting Decimals. Adding Decimals Subtracting Decimals Estimating While Adding or Subtracting Decimals Solving problems by Adding.
How to subtract integers. Why change to addition problem Subtraction is the opposite of addition So we make things opposite.
COURSE 2 LESSON Find , or 4 Estimate 21 Add the fractions. Add the whole numbers = Write.
Operations With Real Numbers SOL 7.3 by Lisa Beebe Chincoteague Combined School Commutative Property Associative Property Distributive Property Identity.
1.Is it More, Less, or Exactly Half? 2. Is it More, Less, or Exactly Half?
Matter Grade 3 SOL 3.3 Created by; Kim Smith. Objects are made of one or ____ materials A.Two B.More C.Ten 25.
Multiplying decimals is similar to multiplying whole numbers. The difference is that we place a decimal point in the product. 0.7 0.03 =
Adding Partial Sums. First you need to do a Ballpark Estimate Ballpark Estimate:___________________________________.
Adding Two and Three Digit Numbers Column Method & Partial Sum Method.
Estimating Sums to the Nearest 10 and 100 Copyright © 2013 Kelly Mott.
Estimating and approximating square root notes Absent copy Thurs/Fri 3/13,14.
Oregon Department of Education 2006 School Health Profiles Report Weighted Lead Health Education Teacher Survey Results *Among those schools that require.
PowerPoint A1 L2 Use effective written methods to add whole numbers.
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.
DECIMALS LINE ‘EM UP OR COUNT ‘EM UP. UNIT OVERVIEW By the end of this unit, you should be able to: Represent decimals on a number line Compare and order.
Divisibility Tests How can you tell quickly whether a number can be divided exactly by another?
Estimating Sums and Differences Amanda Hobson. Objectives: The students will: 1. Give the definition of Estimation. 2. Explain the differences in rounding.
© Hamilton Trust Keeping Up Term 3 Week 2 Day 1 Objective: Use written column addition to efficiently add three or four-digit whole numbers.
Adjusting numbers in a problem in a problem to make to make mental math easier easier.
Adding and Subtracting Decimals Section 5.2. Adding or Subtracting Decimals Step 1. Write the decimals so that the decimal points line up vertically.
Objective Use written column addition to add three- or four-digit whole numbers. © Hamilton Trust Stepping Up Term 3 Week 2 Day 1.
Reverse Subtraction Objectives: do a subtract by adding check your answer by adding.
3 rd Grade Rounding. California Standard Addressed Number and Operations in Base Ten 3.nbt.1 »Use place value understanding to round whole numbers to.
Estimation and Computation By: Your Name (First, Last) Section: O-
Digit Sums of the factors of a number An Investigation.
Lesson 4-13 Example Example 2 Find the product of 87 and 39. Use the traditional multiplication method. 1.Estimate. 90 × 40 = 3,600.
Part 1 Module 3 Survey Problems and Venn diagrams EXAMPLE A survey of 64 informed consumers revealed the following information: 45 believe that Elvis.
Temperature SOL 2.19 Grade 2 Created by; Kim Smith.
Estimation Whole numbers, Sums, Differences, Products, and Quotients.
LESSON 1.3 ESTIMATION. Homework Check & REVIEW Class work and Homework 1. Exercise & Exercise Pages 20-21Q# 1, 2, 5acegik, 7 Due: Tuesday,
Test Taking Diagnostic Inventory. Register-- Click in the order of your clicker number. I love Eastern. 1. Yes 2. No.
Template by Bill Arcuri, WCSD Click Once to Begin JEOPARDY! 8 TH GRADE MATH Unit 6 Solving Systems of Equations.
Copyright © 2013, 2009, 2006 Pearson Education, Inc. 1 Section 5.4 Polynomials in Several Variables Copyright © 2013, 2009, 2006 Pearson Education, Inc.
Adding and Subtracting Decimals By Miss Setchell.
Copyright © Ed2Net Learning, Inc.1 Estimation (Rounding and Compatible Numbers) Grade 3.
Chapter 1 Addition and Subtraction within 1, Edition.
Computation and Estimation Basic addition facts and corresponding subtraction facts to 18 SOL 2.6 Grade 2 Created by; Kim Smith.
October 2006 ©RSH Algebra Solving Equations. October 2006 ©RSH Equations Many people use equations (sometimes without knowing !) A plumber charges £35.
Adding Up In Chunks. Category 1 Adding multiples of ten to any number.
Objective The student will be able to: solve systems of equations using elimination with multiplication. SOL: A.9 Designed by Skip Tyler, Varina High School.
Objective Students will be able to estimate sums and differences (3-5).
Refers to the degree of exactness. The marks on a scale or other instrument tell you the precision that is possible.
Mean Median Mode Range by: courtney widmer. MEAN definition: the average of a set of data steps 1 add numbers 2 count numbers 3 divide the number of numbers.
Adding Two Numbers Directly.Another term for directly is “no synthesis.” When adding directly all the beads you need are available to push to the separation.
One step equations Add Subtract Multiply Divide Addition X + 5 = -9 X = X = X = X = X = 2.
TYPES OF TESTS …MULTIPLE CHOICE, ESSAY, AND TRUE FALSE FROM THE ACHIEVEMENT CENTER.
© 2016 SlidePlayer.com Inc. All rights reserved.