Pre Unit 1 Assessment

Write an expression for the sequence of operations described below.

add 10 and 6, then multiply 5 by the result

• 5 × (10 + 6)

• 10 + 6 x 5

Write an expression for the sequence of operations described below.

subtract 2 from 10, then add 4 to the result

• 2-10+4

• 10-2+4

Write an expression for the sequence of operations described below.

add 3 to 8, then add 6 to the result

• (3+8) + 6

• 3 + 8 + 6

Write an expression for the sequence of operations described below.

multiply 5 by 8, then divide by 9

• (5x8) ÷ 9

• 5 x 8 ÷ 9

Write an expression for the sequence of operations described below.

divide 9 by 2 then subtract 4

• 9 ÷ (2 -4)

• 9 ÷ 2 -4

Which of the following is equivalent to 10⁵?

• 10x 10 x 10

• 10 x 10 x 10 x 10 x 10

• 10 x 5

Which of the following is equivalent to 10 × 10?

• 10²

• 10 x 2

• 10³

Which of the following is equivalent to 100

• 10 x 10 x 101

• 10³

• 10²

Find the missing exponent.

10 = 1,000

• 3

• 2

• 4

Evaluate.
10² =

• 1000

• 10

• 100