PSAT Math - Basic Operations

1

What property of arithmetic is demonstrated here?

$3 \cdot (K \cdot 7) = (3 \cdot K) \cdot 7$

2

What property of arithmetic is demonstrated here?

$3 \cdot (K \cdot 7) = (3 \cdot K) \cdot 7$

3

What property of arithmetic is demonstrated below?

$t (r + 7) = t \cdot r + t \cdot 7$

4

What property of arithmetic is demonstrated below?

$t (r + 7) = t \cdot r + t \cdot 7$

5

The result of a number divided by 2 is the same as the result of that number divided by 10. What is that number?

6

The result of a number divided by 2 is the same as the result of that number divided by 10. What is that number?

7

Multiply in modulo 8:

$5 \times 6 \times 7$

8

When k is divided by 2, the remainder is 1. If k is divided by 3, the remainder is 0. And if k is divded by 5, the remainder is 3. Which of the following is a possible value for k?

9

Multiply in modulo 8:

$5 \times 6 \times 7$

10

When k is divided by 2, the remainder is 1. If k is divided by 3, the remainder is 0. And if k is divded by 5, the remainder is 3. Which of the following is a possible value for k?

Basic Operations

Practice Questions