UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Odd and Even Numbers (Algebra 1.1) Which of the following numbers is divisible by 2, with a remainder of 0? 41 7 52 11

UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Odd and Even Numbers (Algebra 1.1) Which of the following numbers is divisible by 2, with a remainder of 0? 41 7 52 11 The answer to this question can be found by dividing each possible answer by 2, until you find the one that has a 0 remainder.

UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Odd and Even Numbers (Algebra 1.1) Which of the following numbers is divisible by 2, with a remainder of 0? 41 7 52 11 The answer to this question can be found by dividing each possible answer by 2, until you find the one that has a 0 remainder. Example: 2 ) 41 2 4 1 1

UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Odd and Even Numbers (Algebra 1.1) Which of the following numbers is divisible by 2, with a remainder of 0? 41 7 52 11 Let’s try it now with answer C, 52.

UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Odd and Even Numbers (Algebra 1.1) Which of the following numbers is divisible by 2, with a remainder of 0? 41 7 52 11 Let’s try it now with answer C, 52. Example: 2 ) 52 2 6 4 12 12

UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Odd and Even Numbers (Algebra 1.1) Which of the following numbers is divisible by 2, with a remainder of 0? 41 7 52 11 Another way of distinguishing between odd and even numbers is by looking at the last digit in the number.

UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Odd and Even Numbers (Algebra 1.1) Which of the following numbers is divisible by 2, with a remainder of 0? 41 7 52 11 Another way of distinguishing between odd and even numbers is by looking at the last digit in the number. Even numbers always end in an even digit: 0, 2, 4, 6, or 8.

UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Odd and Even Numbers (Algebra 1.1) Which of the following numbers is divisible by 2, with a remainder of 0? 41 7 52 11 Another way of distinguishing between odd and even numbers is by looking at the last digit in the number. Even numbers always end in an even digit: 0, 2, 4, 6, or 8. Odd numbers always end in an odd digit: 1, 3, 5, 7, or 9.

UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Odd and Even Numbers (Algebra 1.1) Which of the following numbers is divisible by 2, with a remainder of 0? 41 7 52 11 Another way of distinguishing between odd and even numbers is by looking at the last digit in the number. Even numbers always end in an even digit: 0, 2, 4, 6, or 8. Odd numbers always end in an odd digit: 1, 3, 5, 7, or 9. Which of the possible answers at left ends in an even number?

UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Odd and Even Numbers (Algebra 1.1) Which of the following numbers is divisible by 2, with a remainder of 0? 41 7 52 11 Another way of distinguishing between odd and even numbers is by looking at the last digit in the number. Even numbers always end in an even digit: 0, 2, 4, 6, or 8. Odd numbers always end in an odd digit: 1, 3, 5, 7, or 9. Which of the possible answers at left ends in an even number?

UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Odd and Even Numbers (Algebra 1.1) Carl made 37 muffins. He has to put them on two trays, each of which holds 18 muffins. How many muffins will Carl have left over? 1 2 3

UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Odd and Even Numbers (Algebra 1.1) Carl made 37 muffins. He has to put them on two trays, each of which holds 18 muffins. How many muffins will Carl have left over? 1 2 3 Divide 37 by the number of muffins that will fit on each tray.

UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Odd and Even Numbers (Algebra 1.1) Carl made 37 muffins. He has to put them on two trays, each of which holds 18 muffins. How many muffins will Carl have left over? 1 2 3 Divide 37 by the number of muffins that will fit on each tray. 37 divided by 18 = 2, with a remainder of 1.

UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Odd and Even Numbers (Algebra 1.1) Carl made 37 muffins. He has to put them on two trays, each of which holds 18 muffins. How many muffins will Carl have left over? 1 2 3 Divide 37 by the number of muffins that will fit on each tray. 37 divided by 18 = 2, with a remainder of 1. Carl will have 1 muffin left over.

UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Odd and Even Numbers (Algebra 1.1) Carl made 37 muffins. He has to put them on two trays, each of which holds 18 muffins. How many muffins will Carl have left over? 1 2 3 Divide 37 by the number of muffins that will fit on each tray. 37 divided by 18 = 2, with a remainder of 1. Carl will have 1 muffin left over. 37 is an odd number, because it is not divisible by two with a remainder of 0. The number 37 also ends in an odd number – 7 – so we know it is an odd number.

UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Odd and Even Numbers (Algebra 1.1) In what year were you born? Was it an odd-numbered year, or an even-numbered year?

UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Odd and Even Numbers (Algebra 1.1) In what year were you born? Was it an odd-numbered year, or an even-numbered year? What if you were born in the year 1996?

UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Odd and Even Numbers (Algebra 1.1) In what year were you born? Was it an odd-numbered year, or an even-numbered year? What if you were born in the year 1996? Is 1996 divisible by 2, with a remainder of 0? Yes. 1996 is an even-numbered year.

UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Odd and Even Numbers (Algebra 1.1) In what year were you born? Was it an odd-numbered year, or an even-numbered year? What if you were born in the year 1996? Is 1996 divisible by 2, with a remainder of 0? Yes. 1996 is an even-numbered year. Does 1996 end in an even number? Yes, 6 is an even number. 1996 is an even-numbered year.

UNIT 1 – RATIONAL NUMBERS, EXPONENTS AND SQUARE ROOTS Odd and Even Numbers (Algebra 1.1) In what year were you born? Was it an odd-numbered year, or an even-numbered year? What if you were born in the year 1996? Is 1996 divisible by 2, with a remainder of 0? Yes. 1996 is an even-numbered year. Does 1996 end in an even number? Yes, 6 is an even number. 1996 is an even-numbered year. If you weren’t born in 1996, what about the year in which you were born?