Algebra Review (Y7 & 8)

Identify the constant in the expression. 4n - 5

-5 The number in the expression that is not multiplied to a variable.

Identify the constant in the expression. 3m - 6 + 2w

-6

Simplify the expression: 5n + 7a + 3n + 3a

10a + 8n

Identify the number of terms in the following expression. 3m - 6

2

Give the simplest algebra expression that matches 5 greater than b and then double the result.

2(b + 5) Add 5 to b first so show the x2 with brackets.

Identify the coefficient in the expression. 3m - 6 + 2

3

Give the simplest algebra expression that matches 4 greater than b and then triple the result.

3(b + 4)

Identify the like terms: 3a + 4b + 2a + 3

3a & 2a

Identify the like terms: 3n + 4a + 2n + 3

3n & 2n Like terms must have the same pronumeral of the same power.

Identify the like terms: 3y + 4a + 2y + 3

3y & 2y

Identify the coefficient in the expression. 4n + 5

4 The number that is multiplied to the pronumeral/variable.

Give the simplest algebra expression that matches 4 less than b and then quadruple the result.

4(b - 4)

Simplify: 4 x n + 5

4n + 5 To simplify remove the multiplication symbol between a letter and a number.

Identify the number of terms in the following expression. 4n - 5 + 6a + 7b - 2a

5 Terms are the numbers that are added or subtracted together in an expression.

Give the simplest algebra expression that matches the product of 5 and b.

5b Product means to multiply.

Simplify the expression: 4n + 3a + 6n + 3a

6a + 10n

Give the simplest algebra expression that matches the product of b and 7.

7b

Give the simplest algebra expression that matches the product of 8 and b.

8b

Give the simplest algebra expression that matches the product of b and 9.

9b

Simplify the expression: 3n + 4a + 2n + 3

Add the like terms. 5n + 4a + 3

Give the simplest algebra expression that matches 12 less than b.

b - 12

Give the simplest algebra expression that matches 6 less than b.

b - 6 Less than means you have to subtract from.

Give the simplest algebra expression that matches 7 less than b.

b - 7

Give the simplest algebra expression that matches 8 less than b.

b - 8

Evaluate the value of y if the value of n is -3: y = 2n + 5

y = -1

Evaluate the value of y if the value of n is 3: y = 2n + 5

y = 11

Evaluate the value of y if the value of n is 6: y = 2n + 5

y = 17

Evaluate the value of y if the value of n is 7: y = 2n + 5

y = 19

Evaluate the value of y if the value of n is 10: y = 2n + 5

y = 2 x 10 + 5 y = 25

Simplify: 1 ÷ 4k + 7

¼k + 7

Simplify: 1 ÷ 2w + 7

½w + 7

Simplify: 3 ÷ 4h - 7

¾h - 7

Is the following an expression or an equation? 3m - 6 + 2

Expression

Is the following an expression or an equation? 4n + 5

Expression, because it doesn't contain an equals sign.

Evaluate: 2(n + 5) if n = 2

Substitute n with the number 2. = 14

Evaluate: 2(n + 5) if n = 4

Substitute n with the number 4. 2(4 + 5) = 2 x 9 = 18

Write in words: y = 2n + 5

The number y is equal to 2 groups of n plus 5.

y = 3n + 4

The number y is equal to 3 groups of n plus 4.

y = 4n - 3

The number y is equal to 4 groups of n minus 3.

y = 6n - 4

The number y is equal to 6 groups of n minus 8.

y = 6n + 8

The number y is equal to 6 groups of n plus 8.