5.3 (E) 5th Grade Math

If Jonathan's rock has a mass of 0.2 kg and Elizabeth's rock is 8 times heavier, what is the mass of Elizabeth's rock?

• 0.4 kg

• 1.2 kg

• 1.6 kg

• 2.0 kg

How do you convert a decimal to a fraction?

• Write the decimal as a fraction with a denominator of 10, 100, etc., depending on the number of decimal places.

• Multiply the decimal by 100 and round it to the nearest whole number.

• Add the decimal to the nearest whole number to get the fraction.

• Divide the decimal by 10 to get the fraction.

What is the formula to find the total cost when buying multiple items?

• Total cost = (cost per item) + (number of items)

• Total cost = (cost per item) - (number of items)

• Total cost = (cost per item) × (number of items)

• Total cost = (cost per item) ÷ (number of items)

What is the importance of understanding unit rates in problem-solving?

• Unit rates help compare quantities and make sense of ratios in real-life situations.

• Unit rates are only useful in theoretical mathematics.

• Unit rates complicate the understanding of ratios.

• Unit rates are irrelevant in everyday calculations.

How do you calculate the total distance run over a period of days?

• Total distance = (distance per day) × (number of days)

• Total distance = (number of days) ÷ (distance per day)

• Total distance = (distance per day) + (number of days)

• Total distance = (distance per day) - (number of days)

If Dion runs 3.75 kilometers each day for 28 days, how far does he run in total?

• 95 kilometers

• 100 kilometers

• 105 kilometers

• 110 kilometers

If a recipe calls for 1.5 cups of sugar for one batch, how much sugar is needed for 3.5 batches?

• 4.5 cups

• 5.25 cups

• 6 cups

• 7 cups

How do you find the mass of an object when given a multiple of another object's mass?

• Mass of object = (mass of reference object) × (multiplier)

• Mass of object = (mass of reference object) + (multiplier)

• Mass of object = (mass of reference object) - (multiplier)

• Mass of object = (mass of reference object) / (multiplier)

What is the formula to calculate total spending over multiple weeks?

• Total spending = (spending per week) × (number of weeks)

• Total spending = (number of weeks) + (spending per week)

• Total spending = (spending per week) - (number of weeks)

• Total spending = (spending per week) / (number of weeks)

What is the concept of multiplication in the context of repeated addition?

• Multiplication is a method of dividing numbers.

• Multiplication is a shortcut for adding the same number multiple times.

• Multiplication is the same as subtraction.

• Multiplication is a way to find the average of numbers.