12月26日的2nd Grade Math - Math Galaxy应用程序分析

Auto-renewable subscription The subscription provides full access to all content. 2nd Grade Math comes with a 7-day free trial. After this you will be charged $4.99 a month and you can cancel anytime. Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage your subscription and/or turn off auto-renewal by visiting your iTunes Account Settings after purchase. The app does not collect any personal information. Privacy policy: https://www.mathgalaxy.com/FQ3_Menu/FQ3_2nd_Grade_Math_Privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ The secret to learning math is consistency. Ten minutes or ten problems a day, if done consistently, can yield significant results. "The French mathematician Jacques S. Hadamard found, in a study of 100 leading mathematicians, that the majority of them were primarily visual in their approach. Some [including Einstein] went further back to sensations of a kinesthetic kind." Scientific American, Sept., 1984, p. 56. Preview on YouTube: Add, Subtract, Word Problems: https://www.youtube.com/watch?v=4DuC87enOhw&t=4s Measurement, Graphs, Geometry: https://www.youtube.com/watch?v=_clzmutphf8&t=12s 5 star EducationAppStore review: https://web.archive.org/web/20230609201057/https://www.educationalappstore.com/app/2nd-grade-math-math-galaxy Math Galaxy’s Second Grade Math covers all Common Core math standards for second grade as listed below. The concepts are presented in bite-size pieces with an unlimited supply of practice problems and numbers chosen randomly. Illustrations are used throughout to reinforce the concepts. There are review sections and you can be guided through problems step-by-step or just give the final answer. Now also supports Apple Schoolwork. NUMBER AND OPERATIONS IN BASE 10 (2.NBT) Understand place value. (2.NBT.A.1-4) Place Value Blocks Place Names Expanded Notation Comparing Numbers Use place value understanding and properties of operations to add and subtract. (2.NBT.B.5-9) Addition Tables Addition on the Number Line 1-3 Digit Addition Alternative Method Subtraction on the Number Line 1-3 Digit Subtraction Borrowing Across 0s Alternative Method Skip Counting (2.NBT.A.2) OPERATIONS AND ALGEBRAIC THINKING (2.OA) Represent and solve problems involving addition and subtraction 1-Step Word Problems (2.OA.A.1) Multi-Step Word Problems (2.OA.A.1) Add and subtract within 20. (2.OA.2) Adding Whole Numbers Subtracting Whole Numbers Snakes and Ladders Math Game Work with equal groups of objects to gain foundations for multiplication Multiplication Tables Up To 5 (2.OA.C.3-4) Multiplication Tables - All (2.OA.C.3-4) MEASUREMENT AND DATA (2.MD) Measure and estimate lengths in standard units. Measuring with Objects. (2.MD.A.1) Measuring Inches & Centimeters (2.MD.A.1-3 Measuring in Standard & Metric Units Work with time and money. Time - Clock Problems (2.MD.C.7) Time - Word Problems (2.MD.C.7) Games - Time Riddles (2.MDC..7) Games - Money Riddles (2.MD.C.8) Games - The MoneyTrail (2.MDC..8) Represent and interpret data. Measuring in Standard Units (2.MD.D.9) Measuring in Metric Units (2.MD.D.9) Pictographs (2.MDD..10) Reading Bar Graphs (2.MDD..10) Drawing Bar Graphs (2.MD.10) GEOMETRY (2.G) Reason with shapes and their attributes. Shapes - Terminology (2.G.A.1) Classify Shapes (2.G.A.1) Area & Perimeter (2.G.A.2-3) Area & Perimeter Squares & Rectangles Complex Areas Fractions (2.G.A.3) MATH GAMES Labyrinth (mazes) Snakes & Ladders (Add, Sub, Multiply) Bridge the Swamp Time & Money Riddles The Money Trail Classifying Shapes Word Problems