Algebra with Whole Numbers Writing Expressions

Exercise 10

Write expressions for: 1. 1 more than x. 2. 2 less than y. x more than 5 y less than 6. the sum of x and 9. the sum of 4 and y. 7 times x. y times 8. x + 1 y - 2 5 + x 6 - y x + 9 4 + y 7x 8y

True or false? x divided by 3.

True x divided by 3.

True or false? 4 divided by y.

False 4 divided by y.

True or false? 2 divided into x.

False 2 divided into x.

True or false? y divided into 9.

True y divided into 9.

True or false? The product of 8 and x.

False The product of 8 and x.

True or false? The product of y and 6.

True The product of y and 6.

True or false? y added to x.

True y added to x.

True or false? y subtracted from x.

False y subtracted from x.

True or false? x multiplied by y.

True x multiplied by y.

True or false? x divided by y.

False x divided by y.

True or false? z more than y.

False z more than y.

True or false? z less than y.

True z less than y.

True or false? z times y.

True z times y.

True or false? z divided into y.

False z divided into y.

True or false? the sum of z and x.

False the sum of z and x.

True or false? the product of z and x.

True the product of z and x.

Write the expression 5 added to the result of multiplying 2 by x.

Write the expression 2 times the result of adding 5 to x.

Write the expression 4 subtracted from the result of multiplying 3 by x

Write the expression 3 times the result of subtracting 4 from x

Write the expression 5 added to the result of dividing x by 2.

Write the expression 2 divided into the result of adding 5 to x.

Write the expression 4 subtracted from the result of dividing x by 3.

Write the expression 3 divided into the result of subtracting 4 from x

Write the expression 1 more than the square of x

Write the expression squaring the result of one more than x.

Find the cost of n articles if each article costs $d.

Find the cost of each article if n articles cost $d.

A polygon has n sides each of length d metres. Find its perimeter.

A polygon with n equal sides has a perimeter of d metres A polygon with n equal sides has a perimeter of d metres. Find the length of each side.

There are n power poles all in a straight line There are n power poles all in a straight line. If they are each d metres apart find the distance between the first pole and the last pole.

There are n equally spaced poles in a straight line There are n equally spaced poles in a straight line. If the distance between the first pole and the last pole is d metres find the distance between each pole.

A carpenter cuts a length of wood d cm long into equal pieces A carpenter cuts a length of wood d cm long into equal pieces. Find the length of each piece if he makes n cuts.

A carpenter cuts a length of wood into pieces each d cm long A carpenter cuts a length of wood into pieces each d cm long. Find the original length of wood if he makes n cuts.

Write down the 3 consecutive whole numbers which begin with n. have n as their middle number n, n+1, n+2 n-1, n, n+1

Write down the 3 consecutive even numbers which begin with 2n. have 2n as their middle number 2n, 2n+2, 2n+4 2n-2, 2n, 2n+2

Write down the 3 consecutive odd numbers which begin with 2n - 1. have 2n - 1 as their middle number 2n-1, 2n+1, 2n+3 2n-3, 2n-1, 2n+1