Understanding Flow Diagrams and Operations

What is the first step in the first flow diagram?

• Divide by 4

• Multiply by 4

• Add 2

• Subtract 2

If you start with the number 1 in the first diagram, what is the final result after all operations?

• 10

• 8

• 12

• 6

In the first diagram, what is the result of starting with 10?

• 40

• 52

• 50

• 48

How do you find the original number if the final result is 12 in the first diagram?

• Divide by 4, then subtract 2

• Add 2, then multiply by 4

• Multiply by 4, then add 2

• Subtract 2, then divide by 4

What is the inverse operation of multiplying by 4?

• Adding 4

• Subtracting 4

• Dividing by 4

• Multiplying by 2

In the second diagram, which operation should be performed first according to BODMAS/BIDMAS?

• Division

• Addition

• Subtraction

• Multiplication

What is the result of 3 times 4 plus 2 in the second diagram?

• 16

• 14

• 12

• 10

What is the final result of 25 times 4 plus 2 in the second diagram?

• 106

• 104

• 102

• 100

If the final result is 6 in the second diagram, what was the original number?

• 3

• 4

• 2

• 1

How do you work backwards if the final result is 102 in the second diagram?

• Multiply by 4, then add 2

• Divide by 4, then subtract 2

• Subtract 2, then divide by 4

• Add 2, then multiply by 4