During the winter, your child will graph coordinates on a grid, use their understanding of how numbers are made to find common factors and multiples, and solve equations and inequalities.
Vocabulary:
- Product - The answer to a multiplication problem. Example: 3 x 4 = 12; 12 is the product
- Factors - a whole number that multiplies with another number to make a third number. Example: Factors of 24, 1 x 24 = 24, 2 x 12 = 24, 3 x 8 = 24, 4x6= 24. Factors of 24 - 1, 2, 3, 4, 6, 8, 12, 24
- Multiples - When your child learned his/her time tables in elementary school, your child was learning multiples. Multiple: Multiplying a given number by any other whole number results in a multiple of the given number. Example # 1: Multiples of 3. 3 x 1 = 3, 3 x 2 = 6, 3 x 3 = 9, 3 x 4 = 12, 3 x 5 = 15, 3 x 6 = 18... 3 x 111 = 333. Multiples of 3 include: 3,6,9,12,15,18...333. Example #2: 2, 4, 6, 8 and 10 are multiples of 2. Your child multiplied 2 by 1, 2, 3, 4, and 5 which are integers.
- Coordinate Plane - A grid that is made up of the x and y axis. It is divided into 4 equal sections called quadrants (Quadrant I,II, III, and IV)
- Ordered pairs - Pairs of numbers used to locate a point on a grid - the first number tells you how far to move horizontally and the second number tells you how far to move vertically (x and y axis) They can also be called coordinates
- Distributive property - Multiply the number outside the parenthesis by all the numbers and letters inside the parenthesis
- Integer - Whole numbers that can be positive, negative or zero. Example: -5, 1, -9, 0, 97 and -3,045
- Expressions - Numbers, symbols and operations (such as + and x) grouped together that show the value of something. An expression does not have an equal sign.
- Equation - Two expressions that are equal. An equation is made up of numbers, letters and an equal sign
- Inequality - Two expressions that are not equal. Can be made up of numbers, letters and an inequality sign < = less than > = greater than < = Less than or equal to
> = greater than or equal to Example: 8 > 5 or 3x < 12
Your child will:
1. Identify all factors of a whole number, then compare factors of 2 or more numbers to select the largest number they have in common, this number is called the Greatest Common Factor (GCF)
2. Identify all multiples of a whole number, then compare multiples of 2 or more numbers to select the smallest number they have in common, this number is called the
3. Least Common Multiple (LCM)
4. Plot and explain how different orders pairs are located in different parts of a grid. They will use this skill to find the distance between 2 or more points
5. Use knowledge of the distribution property and inverse operations to find a number that makes a particular equation or inequality true.