Exploring Key Concepts of 6th Grade Ratios

What is the first step in finding the lowest form of a ratio?

• Multiply the numerator by the denominator

• Add the numerator to the denominator

• Subtract the denominator from the numerator

• Divide the numerator and denominator by their greatest common factor

How can you check if two ratios are equivalent?

• Divide the terms of one ratio by the corresponding terms of the other

• Subtract one ratio from the other

• Multiply the terms of one ratio by the corresponding terms of the other

• Add the terms of the ratios

What is the result of multiplying the numerator and denominator of a ratio by the same number?

• The ratio becomes undefined

• The ratio increases

• The ratio remains the same

• The ratio is reduced

What is the unit rate if three pairs of socks cost $9?

• $6 per pair

• $9 per pair

• $12 per pair

• $3 per pair

In plotting points on a line graph, what does the point (2,3) represent?

• 2 minutes per 3 pages

• 3 pages per 2 minutes

• 3 minutes per 2 pages

• 2 pages per 3 minutes

How do you find a missing data point on a double number line?

• By adding the intervals

• By subtracting the intervals

• By multiplying the intervals

• By dividing the intervals

What is 40% of 60?

• 24

• 12

• 30

• 18

How can you use a double number line to find 40% when you know 20%?

• Multiply 20% by 2

• Subtract 20% from itself

• Add 20% to itself

• Divide 20% by 2

If 80% of a number is 300, what is 100% of the number?

• 350

• 375

• 425

• 400

How do you calculate 20% of a number using a double number line?

• Multiply the number by 5

• Divide the number by 5

• Multiply the number by 0.2

• Divide the number by 4