## Algebra

Day5, Warm Up Exercises
 Simplify. 2.)   - 4 + 0 17.)   7 - 4 + 17 Return to Page

Day 5 Exercises
 Write in symbols the same thing as these words. 1. a number: x 2. one more than a number: x + 1 or 1 + x 3. 60 more than a number: 60 + x or x + 60 4. twenty less than a number: x - 20 5. the sum of a number and 4: x + 4 or 4 + x Write it in 4 different ways. 6. the product of a number and two (2)(a) or 2a or 2(a) or (2)a or 2·a or a·2 Return to Page

Day 12, Review of WRITE EXPRESSION & CODE Homework
 Write an algebraic expression and its code.   Jackie.)   the product of five and a number decreased by the number. (product) - (number) (5(number)) - (number) 5x - x 4x   Laurel.)   the product of three more than a number and a different number is divided by 5 (product)/5 (three more than a number)(different number)/5 ((number) + 3)(different number)/5 (x + 3)(y)/5   Abby.)   the sum of a number and 7 added to the product of 4 and the number (sum) + (product) ((number) + 7) + (4(number)) (x + 7) + (4x) x + 7 + 4x   A.D..)   the sum of a number and two (sum) (number) + (2) x + 2   Steve.)   the sum of a number and six (sum) (number) + (6) x + 6   Terrell.)   five less than a number (number) - 5 (x) - (5) x - 5   Aggie.)   the sum of a number and two increased by the product of a number and 3 (sum) + (product) ((number) + 2) + (3(number)) x + 2 + 3x 4x + 2   Return to questions

Day14 Homework
 Qu. 1 & 2: Write the code & expression   1. the perimeter of a triangle in which the smallest side is one less than the middle and the largest side is one more than the middle (perimeter) (smallest) + (middle) + (largest) ((middle) - 1) + (middle) + ((middle) + 1) (x - 1) + (x) + (x + 1) 3x   2. the total value of the following coins: some pennies, five more nickels than pennies, one fewer quarter than the number of pennies (pennies) + (nickels) + (quarters) 1(pennies) + 5(nickels) + 25(quarters) 1(x) + 5(x + 5) + 25(x - 1) x + 5x + 25 + 25x - 25 31x   3. Write an algebraic area problem and answer it. (Student Answers ) Return to questions

Day 26: Solve, find.
 Solve. 1.)   3x - 6 = 4x + 2 2.)   -4x = -8x + 1 3.)     A bank holds 15 coins worth \$1 in total. Some are dimes. Some are nickels. Find how many of each. Return to questions