Mod 2 Topic A Study Guide

A cat weighs about 5 ______.

• kilograms

• grams

Answer explanation

A typical domestic cat weighs around 5 kilograms, making 'kilograms' the correct choice. 'Grams' would be too small for a cat's weight.

A carrot weighs about 15 ______.

• kilograms

• grams

Answer explanation

A carrot typically weighs around 15 grams, making 'grams' the correct choice. 'Kilograms' would imply a much heavier weight, which is not accurate for a single carrot.

A comic book weighs about 100 ______.

• kilograms

• grams

Answer explanation

A comic book typically weighs about 100 grams, as this is a more realistic weight for printed materials like comics. Kilograms would be too heavy for a single comic book.

A rabbit weighs about 3 ______.

• kilograms

• grams

Answer explanation

A rabbit typically weighs around 3 kilograms, as this is a common weight for domestic rabbits. Grams would be too small a unit for this context.

A frog weighs about 300 ______.

• kilograms

• grams

Answer explanation

A frog typically weighs around 300 grams, not kilograms. Kilograms would imply a much larger weight than what is normal for a frog, making 'grams' the correct choice.

A pencil weighs about 10 ______.

• kilograms

• grams

Answer explanation

A pencil typically weighs about 10 grams, not kilograms. Grams are the appropriate unit for measuring the weight of small objects like pencils.

A watermelon weighs about 5 ______.

• kilograms

• grams

Answer explanation

A watermelon typically weighs around 5 kilograms, as this is a common weight for a medium-sized watermelon. Grams would be too small a unit for such a large fruit.

One bag of sand is shown on a scale. What is the weight of the bag of sand?

• 9 grams.

• 14 kilograms.

• 14 grams.

• 9 kilograms.

Answer explanation

The weight of the bag of sand is indicated on the scale. Among the options, 9 kilograms is the only plausible weight for a bag of sand, making it the correct choice.

The total weight of Grant's 3 wooden blocks is 30 grams. Each block is the same weight.

What is the weight of 1 of Grant's wooden block? The weight of 1 wooden block is ______ grams.

Answer explanation

To find the weight of one block, divide the total weight (30 grams) by the number of blocks (3). 30 grams ÷ 3 = 10 grams. Therefore, the weight of 1 wooden block is 10 grams.

Reed painted some rooms in his house. The picture shows the amount of paint Reed had when he started painting. When Reed finished, he had 12 liters of paint left. How many liters of paint did Reed use?

Answer explanation

Reed started with 20 liters of paint and ended with 12 liters left. The equation you use to find the answer is 20 liters - 12 liters = 8 liters. Meaning he used 8 liters of paint. Therefore, the correct answer is 8.