Mathematics Achievement Test

Which of the following numbers is an odd number?

• 12

• 17

• 20

• 24

Is the number 1 considered a prime number or a composite number?

• Prime number

• Composite number

• Neither prime nor composite

• Both prime and composite

Why is 5 the GCF of 10 and 15?

• Because 5 is the only even number

• Because 5 is the product of both numbers

• Because 5 is the largest number that divides both without a remainder

• Because 5 is the smallest factor of 10

What is the least common multiple of 6 and 8, and why?

• 48, because it's the biggest common factor

• 14, because 6 + 8 = 14

• 24, because it's the smallest number both 6 and 8 can divide evenly into

• 12, because it's the product of 6 and 2

Mia says the prime factorization of 48 is 2 × 2 × 2 × 2 × 3. She wants to check if she's right. What should she do?

• Add all the prime factors together

• Multiply the prime factors to see if the product is 48

• Divide 48 by 3 only

• Round 48 to the nearest ten

Which of the following fractions is a proper fraction?

• 2/4

• 4/3

• 5/3

• 6/4

Ethan colored 5 parts out of 6 equal parts of a hexagon. How can this be written as a fraction?

• 1/6

• 5/6

• 6/5

• 5/1

Which student correctly changed 3 2/5 into an improper fraction?

• Jake: 3 2/5 = 17/5

• Anna: 3 2/5 = 8/5

• Paul: 3 2/5 = 15/2

• Maria: 3 2/5 = 5/17

Which pair of fractions is correctly ordered from least to greatest?

• 1/2, ¼

• 3/8, ⅛

• 1/3, ⅔

• 3/5, 2/5

Miguel drank 1/3 of a bottle of water in the morning and 2/3 in the afternoon. How much did he drink in total?

• 3/3

• 2/6

• 1/3

• 1