Pattern Rules
What is the pattern rule? What is the missing output?
Input Output
1 4
2 8
3 12
4 ?
Pattern rule: x4
Missing output: 16
8+4x2
16
Write and solve the equation.
Liam had some baseball cards. His friend gave him 18 more cards. Now Liam has 43 cards altogether. How many baseball cards did Liam have at first?
Equation: x + 18 = 43
Answer: x = 25
Write the expression.
Five more than a number.
x + 5
Write the expression.
8 more than a number.
x + 8
What is the pattern rule? What is the missing output?
Input Output
5 15
6 18
7 21
8 ?
Pattern rule: x3
Missing output: 24
24 divided by 6 + 7 x 2
18
Write and solve the equation.
Mia had some stickers. She gave 16 stickers to her friend. She now has 29 stickers left. How many stickers did Mia have at first?
Equation: x - 16 = 29
Answer: x = 45
Write the expression.
The difference between a number and 9.
x - 9
Write and solve the equation.
Maya had some stickers. Her friend gave her 15 more stickers. Maya now has 32 stickers. How many stickers did Maya have at first?
Equation: x + 15 = 32
Answer: x = 17
What is the pattern rule? What is the missing output?
Input Output
10 25
20 35
30 45
40 ?
Pattern rule: +15
Missing output: 55
30 - (8+2) x 2
10
There are 6 pencils in each box. A teacher has several boxes and has 42 pencils altogether. How many boxes of pencils does the teacher have?
Equation: 6x = 42
Answer: x = 7
Write the expression.
The product of 7 and a number.
7x
Find the pattern rule and the missing output.
Input Output
2 9
4 15
6 21
8 27
10 ?
Pattern rule: x3 +3
Missing output: 33
What is the pattern rule? What is the missing output?
Input Output
3 10
5 14
7 18
9 ?
Pattern rule: x2 +4
Missing output: 22
48 divided by (6 + 2) + 5 x 3
21
Write and solve the equation.
A teacher has 56 pencils. She puts 7 pencils in each group. How many groups can she make?
Equation: 56 divided by x = 7
Answer: x = 8
Write the expression.
The quotient of a number and 6.
x divided by 6
Solve the equation.
36 divided by (4 + 2) + 5 x 3
21
What is the pattern rule? What is the missing output?
Input Output
4 14
6 20
8 26
10 ?
Pattern rule: x3 +2
Missing output: 32
60 divided by (5 + 5) + 6 x 4 - 7
23
Write and solve the equation.
A baker has 72 cookies. She puts 8 cookies in each bag. How many bags can she fill?
Equation: 72 divided by x = 8
Answer: x = 9
Write the expression.
Eight groups of a number.
8x
Maya says:
18 divided by 3 + 4 x 2 - 5 = 9
And Jordan says:
18 divided by 3 + 4 x 2 - 5 = 11
Who is correct? Explain how you know.
Maya
1. 18 divided by 3 = 6
2. 4 x 2 = 8
3. 6 + 8 - 5 = 9