# Math Mammoth Light Blue Series Grade 4-A Worktext (Colored Version)

# 062812

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 Item #: 062812 9781942715627 4

#### Publisher Description:

In the fourth grade, students focus on multi-digit multiplication and division, learning to use bigger numbers, solving multi-step word problems that involve several operations, and they get started in studying fractions and decimals. This is of course accompanied by studies in geometry and measuring.

The year starts out with a review of addition and subtraction, patterns, and graphs. We illustrate word problems with bar diagrams and study finding missing addends, which teaches algebraic thinking. Children also learn addition and subtraction terminology, the order of operations, and statistical graphs.

Next come large numbersup to millions, and the place value concept. At first the student reviews thousands and some mental math with them. Next are presented numbers up to one million, calculations with them, the concept of place value and comparing. In the end of the chapter we find out more about millions and an introduction to multiples of 10, 100, and 1000.

The third chapter is all about multiplication. After briefly reviewing the concept and the times tables, the focus is on learning multi-digit multiplication (multiplication algorithm). The children also learn why it works when they multiply in parts. We also study the order of operations again, touch on proportional reasoning, and do more money and change related word problems.

The last chapter in part A is about time, temperature, length, weight, and volume. Students will learn to solve more complex problems using various measuring units and to convert between measuring units.

In part B, we first study division. The focus is on learning long division and using division in word problems. In geometry, we first review area and perimeter, and then concentrate on the topic of angles. Students measure and draw angles, solve simple angle problems, and classify triangles according to their angles. They also study parallel and perpendicular lines.

Fractions and decimals are presented last in the school year. These two chapters practice only some of the basic operations with fractions and decimals. The focus is still on conceptual understanding and on building a good foundation towards 5th grade math, where fractions and decimals will be in focus.

Category Description for Math Mammoth:

Theres a whole lot to like about this well-conceived and inexpensive math program. The main features of this program, according to author Maria Miller, are:

• Focus is on conceptual understanding rather than rote problem-solving
• Teacher instructions are right in the book; no need to buy a separate teacher book
• Clear explanations are written for the student, so the lessons are virtually self-teaching
• Lessons use lots of visual and pattern exercises
• Mastery oriented:concentrates on each topic for a long time studying fewer topics per grade than with spiral
• Emphasis is on mental math and number sense
• Very little teacher preparation is required
• Content aligned to Common Core Standards

These are all valid claims and sum up this approach nicely. Its linear approach is similar to that of the MCP Math program. Topics are introduced, studied in depth, then the student proceeds to the next topic. Visually, it reminds me of Developmental Math because of the extensive use of pictorial representations. Users posting online have compared the course to Singapore Math, but I don't really see much similarity. While they both emphasize conceptual learning and mental computation skills, Math Mammoth has a much more traditional feel. A distinguishing feature of this program is the authors amazing ability to simplify and clarify math processes so children can understand them easily. Even in printed form, this course is the easiest on the budget using a strictly by-grade comparison. And for those purchasing the complete program on CD (or download), the savings are even greater. Imagine getting a complete, masterfully taught math curriculum for grades 1-7 for less than \$150. I would call that frugal and smart.

Student Workbooks A and B for each level have varying numbers of chapters, each focusing on a math topic. These are sometimes very broad. For example, one very large chapter (68 pages!) in Worktext 4-B is simply titled, “Division”. It reviews division, and then covers every facet of fourth grade division. Since division skills are being built step-by-step throughout the chapter, there’s really no need for review or testing until the end; but it does make for a long teaching unit. Each chapter begins with a short introduction. This is where you will find any teacher instruction for the chapter, including background information, strategies and ideas for teaching lesson concepts, a summary of lessons by title (including number of pages for each), and a list of Helpful Internet Resources for further exploration, practice and enrichment. If the chapter is on a skill introduced in a previous grade, the skill is reviewed before the new material is introduced. Lessons each include a complete explanation of each skill being taught, numerous examples and models (many visual) to help students understand the concepts behind the math, and a reasonable number of problems for students to work to ensure comprehension.

The lessons vary from 1-5 pages each. For planning, the author suggests simply dividing the number of pages in each book by the teaching days rather than planning to teach a lesson a day. This would generally mean covering 1-2 pages a day depending on grade level. After the last lesson in each chapter there are one or two reviews. Chapter tests are contained in the separate Tests and Cumulative Reviews Book, as are cumulative reviews (taken upon completion of each worktext chapter) and a comprehensive test for the grade level. A nice feature is the inclusion of grading instructions and scales. If remediation is indicated, the author provides a website (www. homeschoolmath.net) for additional math worksheets by grade level and skill. Worksheets are randomly generated within your provided parameters, so each is different.

Use the Skills Review Workbooks books alongside the Math Mammoth curriculum to review concepts that are being taught. Each book is divided into chapters that correspond with the curriculum chapters. These workbooks are optional, and are intended for those who want a spiral review. Each review in the workbook is one page in length and includes a variety of math exercises. Students might write math equations, color pictures, or solve puzzles to put their math skills to the test. Some children require more practice than others, so use only the review pages you need. Skills Review Workbooks are printed with color for a little more visual appeal, and the number of reviews vary from book to book. Answer Keys are a separate book and are also printed in color.

As mentioned briefly before, I find the author’s teaching methods very solid, efficient, and effective. Her goal is to imbue the student with an understanding of the concepts in math rather than just how to solve problems and this is evident in her instruction. She consistently shares strategies, “tricks” and revealing insights into the mysteries of math, essentially putting a teacher right on the page. An example is in teaching beginners to add numbers with sums greater than 10. She tells students that when adding 9 to a number, the 9 “really wants to be a ten”, so you should take one from the other number to make it a ten, and then add the rest. I have seen few other curriculums (see Miquon Math) that teach students alternate, flexible ways like this to approach operations. Another feature I liked in the book was using gridded workspaces for solving problems. Especially for students just starting to use multiple-digit operations, it’s helpful to get them in the habit of keeping answers neatly aligned in columns. I also like the scale problems in Grade 4’s multiplication and other chapters. These are much like the ones in CTP’s Balance Math program and very effective for understanding how equations work. There’s also a healthy balance of word problems in the lessons with realistic, practical contexts. The geometry sections are particularly good, too, with ample hands-on work. The author even includes printable manipulatives for constructing your own geometric solids.

Category Description for COMPREHENSIVE PROGRAMS - ELEMENTARY:

Primary Subject
Mathematics
4
ISBN
9781942715627
Format
Binder
Brand Name
Taina Maria Miller
Weight
1.1 (lbs.)
Dimensions
11.0" x 8.5" x 0.44"
Browse 2 questions Browse 2 questions and 38 answers
Why did you choose this?
Rainbow Resource Center Store
great curriculum
on Aug 4, 2022
We tried these books for third grade and my kid loved them. The approach is simple, yet very useful. All explanations are concise and easy to follow for kids, and the exercises round the knowledge perfectly.
on Jul 13, 2022
great curriculum
on Aug 4, 2022
This series works well for my son
on Jul 19, 2022
This series works well for my son
on Jul 19, 2022
This will be our 4th year with Math Mammoth. We LOVE the way it's laid out, the explanations, the free online teaching videos, and how Maria explains the WHY behind the math, so they aren't just memorizing a formula. Highly recommend Math Mammoth.
on Jul 6, 2022
Hello, is this version spiral bound?
on May 25, 2022
BEST ANSWER: No it’s not spiral bound.
5.0 / 5.0
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Rated 5 out of 5
Excellent Self-Led Math Curriculum
I have used Math Mammoth for 1st grade up until now using the 4th grade book. It is easy to follow and honestly is self teaching. Both of my sons are able to complete it with some help on days and other days no help from me at all. The free videos are also such a gift when one of my sons is stuck on something to have another reinforcement. It forces your kids to be strong in mental math which I really value.
February 14, 2020
Purchased
over 3 years ago
Rated 5 out of 5
Easy to Follow
My son's favorite math. Easy to follow, takes it in slow steps building upon each new concept. Because it is aligned with common core, it does include a few different ways to think about and solve problems. Some of those we use, sometimes they help my son. Sometimes they confuse him so we skip to a way that works for him. Workbooks that keep his attention. I will use this through pre-algebra.
March 10, 2017
Purchased
over 7 years ago
Rated 5 out of 5
So far so good
We're only a few lessons in but so far it's been a great resource that explains things well without being overwhelming. My kids have enjoyed this curriculum.
September 15, 2016
Purchased
over 6 years ago
Rated 5 out of 5
Great Review
After focusing on writing last year, my son needed more of a review this year for Math. He is flying through the book! The instructions are great!
November 10, 2015
Purchased
over 7 years ago

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