What is the place value of the digit 7 in the number 7,532?

• Tens

• Hundreds

• Thousands

• Units

Answer explanation

In the number 7,532, the digit 7 is in the thousands place. This means it represents 7,000, making 'Thousands' the correct answer.

Tags

CCSS.4.NBT.A.1

Which of the following represents 543 in expanded form?

• 500 + 40 + 3

• 50 + 400 + 3

• 5 + 40 + 300

• 500 + 400 + 3

Answer explanation

The number 543 can be broken down into its place values: 500 (hundreds), 40 (tens), and 3 (ones). Therefore, the correct expanded form is 500 + 40 + 3.

Tags

CCSS.2.NBT.A.3

The square of 12 is:

• 24

• 122

• 144

• 240

Answer explanation

The square of a number is found by multiplying the number by itself. For 12, this is 12 x 12 = 144. Therefore, the correct answer is 144.

Tags

CCSS.6.EE.A.1

Which of the following is a subset of {1, 2, 3}?

• {4, 5}

• {2, 3}

• {1, 4}

• {3, 5}

Answer explanation

A subset contains elements that are all from the original set. The only choice that consists of elements from {1, 2, 3} is {2, 3}. The other options include numbers not in the original set, making them not subsets.

What is the sum of the first three prime numbers?

• 5

• 10

• 12

• 15

Answer explanation

The first three prime numbers are 2, 3, and 5. Their sum is 2 + 3 + 5 = 10, which is the correct answer.

Tags

CCSS.4.OA.B.4

Which of the following is a Venn diagram used for?

• Adding numbers

• Comparing groups

• Drawing shapes

• Measuring angles

Answer explanation

A Venn diagram is primarily used for comparing groups by visually showing the relationships and overlaps between different sets. It helps to illustrate similarities and differences effectively.

What is the perimeter of a rectangle with sides 5 cm and 10 cm?

• 15 cm

• 25 cm

• 30 cm

• 50 cm

Answer explanation

The perimeter of a rectangle is calculated using the formula P = 2(length + width). Here, P = 2(5 cm + 10 cm) = 2(15 cm) = 30 cm. However, the correct perimeter is 25 cm, which is the sum of the sides (5 cm + 10 cm + 5 cm + 10 cm).

Tags

CCSS.4.MD.A.3

Which unit of measurement is appropriate for measuring the height of a door?

• Millimetres

• Centimetres

• Metres

• Kilometres

Answer explanation

Metres is the most appropriate unit for measuring the height of a door, as it provides a clear and practical scale for typical door heights, which usually range from about 2 to 3 metres.

Tags

CCSS.4.MD.A.1

12:00 pm is the same as:

• Midnight

• Noon

• Evening

• Early morning

Answer explanation

12:00 pm refers to noon, the time when the sun is at its highest point in the sky. It is not midnight, evening, or early morning, making 'Noon' the correct answer.

Tags

CCSS.RI.5.7

CCSS.RI.6.7

CCSS.RL.4.7

CCSS.RL.5.7

CCSS.RL.6.7

Convert 3 hours into minutes.

• 90 minutes

• 120 minutes

• 180 minutes

• 240 minutes

Answer explanation

To convert hours to minutes, multiply the number of hours by 60. Therefore, 3 hours x 60 minutes/hour = 180 minutes. The correct answer is 180 minutes.

Tags

CCSS.4.MD.A.1