Unit Test Chapter 3 Prealgebra

What is the smallest positives four digits multiple of 17?

• 1003

• 1017

• 1007

• 1009

What is the greatest four-digit multiples of 18?

Mathematical Equivalence

ON

What is the largest digit for A such that 214A07 is divisible by 3?

• 1

• 4

• 7

• 9

Mathematical Equivalence

ON

Alejandro arranges the digits 1, 3, 5, and 7 to write a four-digit number. The 7 is next to the 1 but not to the 5. The 3 is next to the 7 but not to the 5. The four-digit number is divisible by 5. What is Alejandro’s four-digit number?

Mathematical Equivalence

ON

• 5

• 34

• 170

• 150

If the 4-digit number 72D2 is divisible by 6, then what is the largest possible value of the digit D ?

Mathematical Equivalence

ON

Using the methods, we know that GCD (72, 240, 288) = ...

Mathematical Equivalence

ON

• 999

• 1111

• 1001

• 1010