ABC MATH REVIEWER-PART 1

In 8 x 9 = 72, the bigger factor is ____ .

• 9

• 8

• 72

Answer explanation

In the equation 8 x 9 = 72, the bigger factor is 9. This is because when you multiply 8 by 9, you get the product 72. Therefore, the correct choice is 9.

Numbers ending in 1, 3, 5, 7 and 9 are called ______ numbers.

• odd

• negative

• prime

• even

Answer explanation

Numbers ending in 1, 3, 5, 7, and 9 are called odd numbers. This is because they cannot be divided evenly by 2, unlike even numbers. The correct choice is 'odd'.

Write 8 ones, 5 thousands, and 3 tens in symbols.

• 5308

• 3508

• 5038

Answer explanation

To write 8 ones, 5 thousands, and 3 tens in symbols, we arrange the digits in the correct order. The correct choice is 5038, which represents 5 thousands, 0 hundreds, 3 tens, and 8 ones. This answer satisfies all the given conditions and accurately represents the given question.

2, 4, 6, 8 and 0 are called _____ numbers.

• odd

• prime

• even

Answer explanation

The given question asks about a set of numbers: 2, 4, 6, 8, and 0. These numbers are called even numbers because they are divisible by 2. The correct choice is 'even' because it accurately describes the given numbers. The question is asking for the name of these numbers, not their properties. Therefore, the answer is 'even'.

How many centimeters are there in 3 meters?

• 300

• 3,000

• 30

Answer explanation

To convert meters to centimeters, we multiply by 100. Since there are 3 meters, we multiply 3 by 100 to get 300 centimeters. Therefore, there are 300 centimeters in 3 meters.

The 0 in 907 means there are no _____ .

• tens

• hundreds

• ones

Answer explanation

The number 907 represents a three-digit number. The digit in the tens place is 0, which means there are no tens in the number. The other digits in the number could be ones or hundreds, but in this case, there are no tens. Therefore, the correct answer is 'tens'.

What number is midway between 85 and 95?

• 90

• 80

• 100

Answer explanation

The question asks for the number that is midway between 85 and 95. The correct answer is 90. To find the midway point, we add the two numbers together and divide by 2. In this case, (85 + 95) / 2 = 90. Therefore, 90 is the number that is midway between 85 and 95.

What is the second number that comes after 86?

• 87

• 88

• 85

Answer explanation

The question asks for the second number after 86. The options are 87, 88, and 85. The correct answer is 88. Therefore, the second number that comes after 86 is 88.

How many fifty-centavo pieces are equal to 20 pesos?

• 20

• 40

• 60

Answer explanation

To find out how many fifty-centavo pieces are equal to 20 pesos, we need to divide the total amount by the value of each piece. Since each fifty-centavo piece is worth 0.50 pesos, we divide 20 pesos by 0.50 pesos. The result is 40, which means that 40 fifty-centavo pieces are equal to 20 pesos. Therefore, the correct answer is 40.

How many months are 1 ¼ years?

• 16

• 14

• 15

Answer explanation

To find out how many months are in 1 ¼ years, we need to convert the fraction into a decimal. ¼ of a year is equal to 3 months, so 1 ¼ years is equal to 15 months. Therefore, there are 15 months in 1 ¼ years.