Math Enrichment Book

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<p>Florida Enrich BookGrade 2</p> <p>PROVIDES</p> <p>daily enrichment activities</p> <p>Copyright by Houghton Mifflin Harcourt Publishing Company All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying or recording, or by any information storage or retrieval system, without the prior written permission of the copyright owner unless such copying is expressly permitted by federal copyright law. Permission is hereby granted to individuals using the corresponding students textbook or kit as the major vehicle for regular classroom instruction to photocopy entire pages from this publication in classroom quantities for instructional use and not for resale. Requests for information on other matters regarding duplication of this work should be addressed to Houghton Mifflin Harcourt Publishing Company, Attn: Contracts, Copyrights, and Licensing, 9400 SouthPark Center Loop, Orlando, Florida 32819. Printed in the U.S.A. ISBN 13: 978-0-15-385493-4 ISBN 10: 0-15-385493-6 If you have received these materials as examination copies free of charge, Houghton Mifin Harcourt Publishing Company retains title to the materials and they may not be resold. Resale of examination copies is strictly prohibited. Possession of this publication in print format does not entitle users to convert this publication, or any portion of it, into electronic format.</p> <p>2 3 4 5 6 7 8 9 10 054 17 16 15 14 13 12 11 10 09</p> <p>ContentsBIG IDEA 1: Number, Place Value, and PatternsChapter 1: Place Value and Number Patterns1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 Pencil Place Value ............................................................................................. E1 Expanding Numbers .......................................................................................... E2 Race to Find the Number ................................................................................. E3 Marble Mix-Up .................................................................................................. E4 Odds and Ends ................................................................................................... E5 More About Skip Counting .............................................................................. E6 A Sticky Situation .............................................................................................. E7 Whats the Problem? ......................................................................................... E8 My Predictions ................................................................................................... E9</p> <p>Chapter 2: 3-Digit Numbers2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 Tic-Tac-Hundred ............................................................................................... E10 Find the Number ................................................................................................ E11 Value Clues ......................................................................................................... E12 Say It in Layers ................................................................................................... E13 Find the Greater Number ................................................................................. E14 Comparing .......................................................................................................... E15 The Middle of the Train ................................................................................... E16 Find the Number Pattern .................................................................................. E17</p> <p>Chapter 3: 4-Digit Numbers3.1 3.2 3.3 3.4 3.5 3.6 Brick by Brick..................................................................................................... E18 Matching ............................................................................................................. E19 4-Digit Crossword .............................................................................................. E20 Compare Car Rides ........................................................................................... E21 Compare 4-Digit Numbers ............................................................................... E22 Get Your Cards in Order .................................................................................. E23</p> <p>Enrich Houghton Mifflin Harcourt Publishing Company</p> <p>iii</p> <p>Grade 2</p> <p>BIG IDEA 2: Addition and SubtractionChapter 4: Basic Facts and Relationships4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 Tic+Tac+Toe ...................................................................................................... E24 Make-a-Ten Again ............................................................................................. E25 Fact Family ......................................................................................................... E26 What Is the Difference? .................................................................................... E27 Fix It .................................................................................................................... E28 Subtraction Rules ........................................................................................... E29 Repeat Bakery.................................................................................................... E30 Balance Things Out ........................................................................................... E31 A Balancing Act ................................................................................................. E32</p> <p>Chapter 5: 2-Digit Addition5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 Add to the Score ................................................................................................ E33 Break Apart to Match ....................................................................................... E34 Tens and Ones Combinations .......................................................................... E35 Match the Sums .................................................................................................. E36 Addition in the Air ............................................................................................ E37 Estimation Time ................................................................................................. E38 Go Fish ................................................................................................................ E39 What is the Problem? ........................................................................................ E40 Adding Errors .................................................................................................... E41</p> <p>5.10 Butterfly Addition.............................................................................................. E42 5.11 Trace the Path .................................................................................................... E43</p> <p>Chapter 6: 2-Digit Subtraction6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 Which Difference is Different? ........................................................................ E44 A Maze of Thirties ............................................................................................. E45 Subtraction Bingo .............................................................................................. E46 The Art of Differences ...................................................................................... E47 Match It Up ........................................................................................................ E48 Choose the Numbers ......................................................................................... E49 Subtraction Riddles ........................................................................................... E50 Race to Zero ....................................................................................................... E51 How Many Could There Be? ........................................................................... E52</p> <p>6.10 The Lost Digits ................................................................................................... E53 6.11 Add It Up Take It Away.............................................................................. E54</p> <p>Enrich Houghton Mifflin Harcourt Publishing Company</p> <p>iv</p> <p>Grade 2</p> <p>Chapter 7: 3-Digit Addition7.1 7.2 7.3 7.4 7.5 7.6 7.7 Domino Break .................................................................................................... E55 The Read-a-Thon ............................................................................................... E56 The Nearest Hundred ........................................................................................ E57 3-Digit Scramble ................................................................................................ E58 3 on 3 Tournament ............................................................................................. E59 Paint By Regrouping ......................................................................................... E60 Addition Wheels ................................................................................................ E61</p> <p>Chapter 8: 3-Digit Subtraction8.1 8.2 8.3 8.4 8.5 8.6 8.7 Find the Mistakes ............................................................................................... E62 Whats the Difference? ..................................................................................... E63 What Numbers Can You Use? ......................................................................... E64 Subtraction Steps ............................................................................................... E65 Check It Out ....................................................................................................... E66 Follow the Arrows to Subtract ......................................................................... E67 Mystery Number ................................................................................................ E68</p> <p>BIG IDEA 3: Measurement and GeometryChapter 9: Length9.1 9.2 9.3 9.4 9.5 9.6 9.7 9.8 9.9 Compared to Me ................................................................................................ E69 Compare to Measure ......................................................................................... E70 The Long and Short of It .................................................................................. E71 Measure the Tools ............................................................................................. E72 Map Measurements ........................................................................................... E73 Handy Measuring ............................................................................................... E74 How Tall Are You? ........................................................................................... E75 Length Riddles ................................................................................................... E76 Centimeter Clips ................................................................................................ E77</p> <p>9.10 Colorful Veggies ................................................................................................ E78 9.11 Measure by Hand ............................................................................................... E79 9.12 Centi-Meter Fever ............................................................................................. E80 9.13 Distance Drawings ............................................................................................. E81 9.14 Measurement Hike ............................................................................................ E82</p> <p>Enrich Houghton Mifflin Harcourt Publishing Company</p> <p>v</p> <p>Grade 2</p> <p>Chapter 10: Weight, Mass, Capacity, and Volume10.1 Ounces and Pounds ........................................................................................... E83 10.2 Measuring Mass.................................................................................................. E84 10.3 How Many Cups of Juice? ................................................................................ E85 10.4 Liter Beakers ...................................................................................................... E86 10.5 Volume of Irregular Figures ............................................................................. E87 10.6 Balancing Shapes ............................................................................................... E88</p> <p>Chapter 11: Geometry and Patterns11.1 11.2 11.3 11.4 11.5 11.6 11.7 11.8 Geometric Shape Puzzle ................................................................................... E89 Build Shapes in Two Ways ............................................................................... E90 Build It ................................................................................................................ E91 Equal Parts.......................................................................................................... E92 Pattern Match ..................................................................................................... E93 Repeating Patterns ............................................................................................ E94 Field Day ............................................................................................................. E95 Circle Pattern...................................................................................................... E96</p> <p>Chapter 12: Money and Time12.1 Find the Total Value.......................................................................................... E97 12.2 What Is the Missing Coin? ................................................................................ E98 12.3 Arrange and Count Coins ................................................................................. E99 12.4 Making Equal Amounts .................................................................................... E100 12.5 Same Amount, Different Ways ........................................................................ E101 12.6 Comparing at the Hardware Store................................................................... E102 12.7 Make a Dollar..................................................................................................... E103 12.8 Is There Enough Money? ................................................................................. E104 12.9 Act It Out with Bills .......................................................................................... E105 12.10 Matching the Time ............................................................................................. E106 12.11 Telling Time at the Zoo .......................................</p>

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