Math Quiz

The table shows the population of three Texas counties. The population of Gray County is missing. The population of Gray County is 35,553 less than the population of Anderson County. What is the combined population of these four counties?

• 2,694,709

• 2,707,507

• 2,695,209

• 2,765,815

Answer explanation

The combined population of the four counties is calculated by adding the populations of Anderson, Brazoria, and Chambers counties, then subtracting 35,553 from the total to get Gray County's population. The sum is 2,694,709.

She puts half of all the unbroken pencils in a storage cabinet. Which expression can be used to show that the teacher puts 246 pencils in the storage cabinet?

• 36 + 4(120) – 6 ÷ 2

• 36 + 4(120 – 6) ÷ 2

• [36 + 4(120)] – 6 ÷ 2

• [36 + 4(120 – 6)] ÷ 2

Answer explanation

The correct expression is [36 + 4(120 - 6)] ÷ 2, as it represents the total number of pencils (246) after half are stored in the cabinet.

An expression is given. What is the value of this expression? 3(25 + 19) + 4(3)

• 294

• 144

• 408

• 168

Answer explanation

To find the value of the expression, first calculate the values inside the parentheses: 25 + 19 = 44 and 3. Then multiply the results: 3(44) + 4(3) = 132 + 12 = 144. Therefore, the correct answer is 144.

What is the value of this expression? 10[3 + (7 + 5) ÷ 3]

• 14

• 34

• 50

• 70

Answer explanation

The value of the expression is calculated as 10[3 + (7 + 5) ÷ 3] = 10[3 + 4] = 10[7] = 70. Therefore, the correct answer is 70.

What is the value of this expression? [45 – (6 + 3)] × 27

• 1,134

• 972

• 198

• 1,206

What is the value of this expression? [36 + (3 × 2)] ÷ 6

• 7

• 37

• 13

• 42

Three expressions are shown. - (7 x 10) - (3 x 0.1) - (9 x 0.001) In which number do the digits 7, 3, and 9 have the same values as those shown in the expressions?

• 715.349

• 78.039

• 275.369

• 72.39

The mass in kilograms of an ice chest is shown in expanded notation. (1 x 10) + (3 x 1) + (6 x 0.1) + (1 x 0.01) What is this mass in kilograms, written as a numeral? Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place value.

Which comparisons are true? Select TWO correct answers.

• 35.07 > 35.70

• 102.08 > 102.4

• 23.501 > 23.5

• 10.909 > 10.98

• 37.2 > 37.01

Answer explanation

The comparisons 23.501 > 23.5 and 37.2 > 37.01 are true because the first number in each pair has a higher value in the decimal places, making it greater than the second number.

The table shows the areas in square meters of the floors in four classrooms. A principal will list the classrooms in order from the one that has the least floor area to the one that has the greatest floor area. Which classroom will the principal list second?

• Classroom W

• Classroom X

• Classroom Y

• Classroom Z

Answer explanation

The principal will list Classroom Z second as it has the second least floor area among the four classrooms listed.