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Addition. Multiplication. Division. Subtraction. Fractions. Whole Numbers. Composite number. Prime Numbers. Absolute. The basic idea of multiplication is repeated addition. Ex: 5 × 3 = 5 + 5 + 5 = 15. Multiplication.
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Addition Multiplication Division Subtraction Fractions Whole Numbers Composite number Prime Numbers Absolute
The basic idea of multiplication is repeated addition.Ex: 5 × 3 = 5 + 5 + 5 = 15 Multiplication
Division is splitting into equal parts or groups. It is the result of "fair sharing".Example: there are 12 strawberries, and 3 friends want to share them, how do they divide the strawberries?Answer: They should get 4 each. 12/3 or 12÷3= 4 Division
Addition is finding the total, or sum, by combining two or more numbers. Example: 5 + 11 = 16 is an addition Addition
Taking one number away from another.If you have 10 apples and you subtract 2, you will be left with 8.The symbol of subtraction is -Example: 10 - 2 = 8 Subtraction
The numbers {0, 1, 2, 3, ...} etc.There is no fractional, decimal part, or no negatives.Example: 2, 50 and 1000 are all whole numbers. Whole Numbers
A Prime Number can be divided evenly only by 1, or itself. And it must be a whole number greater than 1.Example: 7 can only be divided evenly by 1 or 7, so it is a prime number. Prime Numbers
The bottom number (the denominator) says how many parts the whole is divided into The top number (the numerator) says how many you have. Fractions
How far a number is from zero.Example “4" is 4 away from zero, but "-4" is also 4 away from zero.So, the absolute value of 4 is 4, and the absolute value of -4 is also 4.The symbol "|" is placed either side to mean "Absolute Value", so we can write: |-4| = 4 . Absolute Numbers
A whole number that can be divided evenly by numbers other than 1 or itself.Example: 81 can be divided evenly by (as well as 1 and 9), so 81 is a composite number. Composite Number
Practice Problems What is 2 x 9? 18 7 11
Practice Problems What is 8 ÷ 2 6 10 4
Practice Problems What is 52 + 48? 50 4 100
Practice Problems What is 100 – 50? 100 25 50
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