Fill in the Blank
Find my rule and fill in the blanks.
10, 30, 50, 70, ____, _____
Rule: add 20
90, 110
What does the first letter in PEMDAS stand for?
Parentheses
What rule is being used?
Input Output
4 8
5 9
6 10
Rule: add 4
Simplify the following expression.
4 + 4 x (6 - 2)
20
What is the first step when simplifying this expression?
64 ÷ (9 x 3 - 19)
Multiply 9 x 3
Find my rule and fill in the blanks.
3, 6, 9, 12, ____, 18
Rule: add 3
15
What does the second letter in PEMDAS stand for?
Exponents
Find the rule and the missing number.
In Out
5 15
6 18
7 21
8 ?
Rule: times 3
24
Simplify the following expression.
74 - 26 ÷ 2
61
If this pattern continues, what will the 8th term be?
5, 7, 9, 11, 13, ...
19
Find my rule and fill in the blanks.
50, 45, 40, 35, 30, ___, ___
Rule: subtract 5
25, 20
What does the third letter in PEMDAS stand for?
Multiplication
Find the rule and the missing number.
In 8 10 12 14
Out 4 5 6 ?
Rule: divide by 2
7
Simplify the following expression.
7 · 2 + 4 · 6 - 15
23
What is the second step when simplifying this expression?
23 - 6 ÷ 6 + 8
Subtract
23 - 1
Find my rule and fill in the blanks.
4, 8, 16, 32, ___, ___
Rule: times 2
64, 128
What does the fourth letter in PEMDAS stand for?
Division
Find the rule and the missing number.
In 5 7 9 11
Out 10 12 14 ?
Rule: add 5
16
Simplify the following expression.
34 - 5(10 ÷ 5) + 4
28
If this pattern continues, what will the 9th term be?
5, 10, 15, 20, 25, ...
45
Find my rule and fill in the blanks.
3, 6, 10, 15, ___, ___
Rule: add 3, add 4, add 5
21, 28
What do the last two letters in PEMDAS stand for?
Addition & Subtraction
Find the rule and the missing number.
Input Output
19 ?
23 14
31 22
Rule: Subtract 9
10
What number should go in the blank?
(75 - 20) ÷ ____ = 11
5
Simplify the following expression.
55 ÷ 11 + (20 - 4 + 8 )
29