5th Grade STAAR Math Review #3

Front

What is the combined mass of two gorillas if the male gorilla is 63.507 kg heavier than the female gorilla and the female gorilla's mass is 190.275 kg?

Back

The combined mass is 253.782 kg.

Front

If Theo earned $500 and sold nachos for $260, how do you calculate the number of hot dogs sold at $2 each?

Back

Use the equation h = (500 - 260) ÷ 2. Theo sold 120 hot dogs.

Front

How many practice drills did the math team do if each drill lasts 1/6 hour and they practiced for a total of 24 hours?

Back

They did 144 practice drills.

Front

What is the sum of 14 and the product of 224 and 16?

Back

The sum is 3,598.

Front

How much money did Amber save each week if she saved a total of $3.20 over 5 weeks?

Back

Amber saved $0.64 each week.

Front

What is the formula to find the total mass of two objects if one is heavier than the other?

Back

Total mass = mass of object 1 + mass of object 2.

Front

How do you find the number of items sold if you know the total earnings and the price per item?

Back

Number of items sold = (Total earnings - Earnings from other items) ÷ Price per item.

Front

What is the relationship between hours and minutes in terms of practice drills lasting 1/6 hour?

Back

1 hour = 60 minutes, so 1/6 hour = 10 minutes.

Front

If a product of two numbers is 3,584 and you add 14, what is the product before adding?

Back

The product is 3,570.

Front

What is the average savings per week if a total of $3.20 is saved over 5 weeks?

Back

Average savings per week = Total savings ÷ Number of weeks = $0.64.