## Description

# Math Workbook for 4th Grade. Part 2

A feature of our workbooks is the symbiosis of mental arithmetic and classical mathematics.

Mental arithmetic represents a UNIQUE method of teaching children that trains the speed of perception and processing of information and allows them to harmoniously develop both hemispheres of the brain at the same time by mentally visualizing the calculations on the abacus. A developed brain provides a basis for successful subsequent activities.

With the help of our workbook «Math + MA: Part 2» children repeat the techniques for fast mental counting, counting on the abacus, multiplying and dividing multi-digit numbers, including division with a remainder, solving words, money, and elapsed time problems. Children learn to work with fractions and decimals: convert improper fractions into mixed numbers, convert decimals into fractions or mixed numbers and vice versa, multiply fractions by whole numbers, compare decimals, add and subtract unlike fractions.

Plus, children learn Integers numbers, learn to operate with Integers: add, subtract, compare Integers, convert a number into its expanded form, repeat place values and rounding, repeat order of operations, work with measurements, find an area and a perimeter of compound shapes. In addition, students learn to find all factors of a number and write and solve variable expressions.

Our colorful workbook and the style of providing exercises allow children to acquire the material easily and hassle-free. The workbook contains many problems that create positive motivation for learning and actively develop the logic, memory, attention, and intelligence of children.

The material consists of 10 lessons and additional homework exercises (106 pages).

Key topics:

- Mental counting
- Counting on the abacus
- Multiplication of multi-digit numbers
- Long division of multi-digit numbers with and without remainder
- Integers: positive and negative numbers
- Add/subtract Integers
- Compare Integers
- An expanded form of a number
- Place values
- Rounding
- Factors of the number
- Order of operations
- Add/subtract unlike fractions
- Convert mixed numbers into decimals
- Convert decimals into mixed numbers
- Add/subtract decimals
- Compare decimals
- Measurements
- Area of compound shapes
- Perimeter of compound shapes
- Variable expressions
- Money problems
- Elapsed time problems
- Word problems
- Memory & logic training

5out of 5Samantha–5out of 5Maria–