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Monday, October 16, 2017

GoMath Chapter 3

Our class, during the next few weeks, will be learning to multiply by 2-digit whole numbers.  We will also learn how to describe the reasonableness of an estimate.
The homework will provide practice with estimation and multiplication of numbers with more than 1 digit. There are seven sections in this chapter.

Important Chapter Vocabulary:
1.  Compatible Numbers;  Numbers that are easy to compute with mentally.
2.  Associative Property of Multiplication;  The property that states that when the grouping of factors is changed, the product remains the same.
3.  Commutative Property of Multiplication;  The property that states when the order of two factors is changed, the product remains the same.
4.  Estimate;  To find an answer that is close to the exact amount.
5.  Partial Product;  A method of multiplying in which the ones, tens, hundreds, and so on are multiplied separately and then the products are added together.
6.  Product;  The answer in a multiplication problem.
7.  Regroup;  To exchange amounts of equal value to rename a number.

Tuesday, September 19, 2017

GoMath Chapter 2


During the next few weeks, our math class will be learning about multiplying by 1-digit whole numbers.  We will investigate strategies for multiplying 2-, 3-, and 4- digit numbers by the numbers 2-9.

Important Chapter Vocabulary
1.  Distributive Property;  The property that states that multiplying a sum by a number is the same as multiplying each addend by the number and then adding the products.
2.  Partial Products;  A method of multiplying in which the ones, tens, hundreds, and so on are multiplied separately and then the products are added together.

Multiplying by tens, hundreds, thousands

7 x 4 = 28
7 x 40 = 280
7 x 400 = 2800
7 x 4000 = 28,000

Wednesday, August 9, 2017


Welcome to 4th Grade!
2017-2018

Image result for monster clipartUse this blog to access;


                                                          1. GoMath video tutorials
                                                          2. description of math lessons
                                                          3. book orders
                                                          4. grades (Powerschool)

GoMath Chapter 1

During the next few weeks, our math class will be learning how to use and represent whole numbers through the hundred thousands place.  We will also be adding and subtracting multi-digit numbers.

Important Chapter Vocabulary
1.  Estimate;  A number close to an exact amount.
2.  Expanded Form;  A way to write numbers by showing the value of each digit.
3.  Period;  Each group of three digits separated by commas in a multi-digit number.
4.  Round;  To replace a number with another number that tells about how many or how much.
5.  Standard Form;  A way to write numbers by using the digits 0-9 with each digit having a place value.
6.  Word Form;  A way to write numbers by using words.


Expanded Form;  3,000 +500+10+9
Standard Form;    3,519
Word Form;         three thousand, five hundred nineteen

Wednesday, March 15, 2017

GoMath Chapter 12

During this chapter we will be learning about customary and metric units of length, weight/mass, and liquid volume.  We will also find elapsed time and learn to compute with mixed measures.  There are eleven sections in the chapter.


Important Chapter Vocabulary
1.  Decimeter;  A metric unit for measuring length or distance.
2.  Fluid Ounce (fl oz);  A customary unit for measuring liquid volume.
3.  Line Plot;  A graph that shows the frequency of data along a number line.
4.  Second;  A small unit of time.

Saturday, March 4, 2017

GoMath Chapter 11

In our geometry unit we are moving on to learning more about angles and angle measures.  We will also learn to use a protractor to measure and draw angles.  There are five sections in this chapter.

Important Chapter Vocabulary
1.  Clockwise;  In the same direction in which the hands of a clock move.
2.  Counterclockwise; In the opposite direction in which the hands of a clock move.
3.  Degree;  The unit used for measuring angles.
4.  Protractor;  A tool used for measuring the size of an angle. 


PROTRACTORS

Tuesday, February 21, 2017

GoMath Chapter 10

Throughout the next few weeks, we will be studying two-dimensional figures.  The students will use definitions to identify and describe characteristics of these figures.  Our homework will have identifying triangles and quadrilaterals.  This chapter has seven sections.

Important Chapter Vocabulary
1.  Acute Triangle;  A triangle with three acute angles. (less than 90 degrees)
2.  Line Segment;  A part of a line that includes two points, called endpoints, and the points between them.
3.  Obtuse Triangle;  A triangle with one obtuse angle.  (larger than 90 degrees)
4.  Ray;  A part of a line, with one endpoint, that is straight and continues in one direction.
5.  Right Triangle;  A triangle with one right angle (90 degrees) and two acute angles.

Friday, February 3, 2017

GoMath Chapter 9

Our class will relate both fractions and money to place value and will learn how to rename fractions as decimals.  We will also add fractional parts of 10 and 100 and compare decimals through hundredths.  There are seven sections in this chapter.

Important Chapter Vocabulary
1.  Decimal;  A number with one or more digits to the right of the decimal point.
2.  Decimal Point;  A symbol used to separate dollars from cents in a money amount and to separate the ones and the tenths place in a decimal.
3.  Equivalent Decimals;  Two or more decimals that name the same amount.
4.  Hundredth;  One of one hundred equal parts.
5.  Tenth;  One of ten equal parts.

Wednesday, January 25, 2017

GoMath Chapter 8

In this chapter, the students will learn to multiply fractions and mixed numbers by whole numbers. We will learn to write a fraction as a product of a whole number and a unit fraction, and to find multiples of unit fractions. There are five sections in this chapter.

Important Chapter Vocabulary
1.  Factor;  A number that is multiplied by another number to find a product.
2.  Fraction;  A number that names part of a whole or part of a group.
3.  Identity Property of Multiplication;  The property that states the product of any number and 1 is that number.
4.  Multiple;  The product of two counting numbers.
5.  Product;  The answer to a multiplication problem.
6.  Unit Fraction;  A fraction that has one as the numerator.

Tuesday, January 3, 2017

GoMath Chapter 7

Our class will be learning how to add and subtract fractions and mixed numbers over the next few weeks.  First, we will use models to find the sums or the differences.  Then we will record equations to match our models.  Finally, we will add and subtract without using models.  Our homework will be practice adding and subtracting fractions with and without models.  There are ten sections in this chapter.

 Important Chapter Vocabulary 
1.  Mixed Number; An amount given as a whole number and a fraction.
2.  Unit Fraction;  A fraction that has a numerator of one.
3.  Associative Property of Addition;  The property that states that when the grouping of addends is changed, the sum is the same.
4.  Commutative Property of Addition;  The property that states that when the order of two or more addends is changed, the sum is the same. 
5.  Denominator;  The part of the fraction below the line, which tells how many equal parts there are in the whole or in a group.
6.  Fraction;  A number that names part of a whole or part of a group
7.  Numerator;  The part of a fraction above the line, which tells how many parts are being counted.
8.  Simplest Form;  A fraction in which the numerator and denominator have only 1 as a common factor.