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.