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Math Mammoth Add & Subtract 4 - workbook for 4th grade
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$3.10
Math Mammoth Add & Subtract 4 - workbook for 4th grade
Math Mammoth
3.1$3.10
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Math Mammoth Add & Subtract 4 covers the following addition and subtraction related topics in the fourth grade level: - mental addition and subtraction strategies; - adding and subtracting in columns; - some numerical patterns; - bar models in problem solving; - order of operations; - line graphs and bar graphs; - rounding and estimating; - money problems and discounts.
Product Description

Math Mammoth Add & Subtract 4 is a workbook for 4th grade, and it covers the following topics related to addition and subtraction:

  • mental addition and subtraction strategies;
  • adding and subtracting in columns;
  • some numerical patterns;
  • bar models in problem solving;
  • order of operations;
  • line graphs and bar graphs;
  • rounding and estimating;
  • money problems and discounts.

 

Some of the lessons are useful even for 5th grade students, especially if they have not had much exposure to word problems, order of operations, and applications of addition and subtraction.

 

 

Sample pages (PDF)
Contents and Introduction
Subtract in Columns
Patterns and Mental Math
Bar Models in Addition and Subtraction
Line Graphs
Calculate and Estimate Money Amounts

 

At first, we review the "technical aspects" of adding and subtracting: mental math techniques and adding and subtracting in columns. We also study some patterns. The lesson on Pascal's triangle is intended to be fun and fascinating—after all, Pascal's triangle is full of patterns!

In the next lesson, we study the connection between addition and subtraction and bar models. Bar models help students write addition and subtraction sentences with unknowns, and solve them. This is teaching the students algebraic thinking: how to write and solve simple equations.

The lesson on the order of operations contains some review, but we also study connecting the topic with real-life situations (such as shopping). Here, the student writes the mathematical expression (number sentence) for word problems, which again, practices algebraic thinking.

Going towards applications of math, the book then contains straightforward lessons on bar graphs, line graphs, rounding, estimating, and money problems.

This book contains 55 pages, which includes the answer key. Also, the PDF file of this book is enabled for annotation. This means that if you prefer, your student can fill it in on the computer, using the typewriter and drawing tools in Adobe Reader version 9 or greater.

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About the Seller
27 Reviews

Maria Miller, the author of the Math Mammoth books, is a math teacher turned homeschooler. She has a master's degree in mathematics with the teacher educational studies, and minors in physics and statistics. The aim of her math books is first and foremost to explain math in very simple terms, yet rigorously, concentrating on understanding of concepts. 

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