MA.3.M.1.1 & MA.3.M.1.2

Which tool would you use to measure the length of a pencil?

• A thermometer

• A ruler

• A beaker

• A scale

Answer explanation

A ruler is the appropriate tool to measure the length of a pencil, as it provides a clear scale for measuring distances. A thermometer measures temperature, a beaker holds liquids, and a scale measures weight.

Tags

CCSS.2.MD.A.1

If you have a beaker filled with 250 ml of water and you pour out 100 ml, how much water is left in the beaker?

• 100 ml

• 150 ml

• 200 ml

• 250 ml

Answer explanation

You start with 250 ml of water. After pouring out 100 ml, you subtract 100 ml from 250 ml, leaving you with 150 ml of water in the beaker.

Tags

CCSS.3.MD.A.2

Which tool would you use to measure the temperature of a liquid?

• A ruler

• A thermometer

• A scale

• A measuring cup

Answer explanation

A thermometer is specifically designed to measure temperature, making it the correct tool for measuring the temperature of a liquid. A ruler measures length, a scale measures weight, and a measuring cup measures volume.

If a rope is 5 meters long and you cut 2 meters off, how long is the remaining piece of rope?

• 2 meters

• 3 meters

• 4 meters

• 5 meters

Answer explanation

The original rope is 5 meters long. After cutting off 2 meters, the remaining length is 5 - 2 = 3 meters. Therefore, the correct answer is 3 meters.

Tags

CCSS.2.MD.B.5

Which tool would you use to measure the volume of liquid in a container?

• A scale

• A ruler

• A beaker

• A thermometer

Answer explanation

A beaker is specifically designed to measure the volume of liquids accurately, making it the correct choice. A scale measures weight, a ruler measures length, and a thermometer measures temperature.

Tags

CCSS.3.MD.A.2

If you have 3 liters of juice and you drink 1 liter, how much juice is left?

• 1 liter

• 2 liters

• 3 liters

• 4 liters

Answer explanation

You start with 3 liters of juice. After drinking 1 liter, you subtract that from the total: 3 liters - 1 liter = 2 liters. Therefore, there are 2 liters of juice left.

Tags

CCSS.3.MD.A.2

Which tool would you use to measure the weight of an apple?

• A thermometer

• A scale

• A ruler

• A beaker

Answer explanation

To measure the weight of an apple, a scale is the appropriate tool, as it directly measures mass. A thermometer measures temperature, a ruler measures length, and a beaker is used for liquids, making them unsuitable for this task.

Tags

CCSS.3.MD.A.2

If the temperature outside is 20°C and it rises by 5°C, what is the new temperature?

• 15°C

• 20°C

• 25°C

• 30°C

Answer explanation

The initial temperature is 20°C. If it rises by 5°C, you add 5 to 20, resulting in 25°C. Therefore, the new temperature is 25°C.

Tags

CCSS.4.MD.A.2

Which tool would you use to measure the mass of a book?

• A ruler

• A thermometer

• A scale

• A beaker

Answer explanation

To measure the mass of a book, a scale is the appropriate tool, as it provides a direct measurement of weight. A ruler measures length, a thermometer measures temperature, and a beaker is used for liquids.

Tags

CCSS.3.MD.A.2

If you have 10 kg of flour and you use 3 kg, how much flour do you have left?

• 3 kg

• 5 kg

• 7 kg

• 10 kg

Answer explanation

You start with 10 kg of flour and use 3 kg. To find the remaining amount, subtract 3 kg from 10 kg: 10 kg - 3 kg = 7 kg. Therefore, you have 7 kg of flour left.

Tags

CCSS.3.MD.A.2