Exemplar 15 review

An equation is shown. 36÷(4+5)×2=18 Fill in the answer choice to make the statement true. The equation is

• true

• false

2. What is the value of the expression 20×4+18÷2?

• 89

• 220

• 49

• 110

 A numerical expression is evaluated as shown.

(50−8÷2)÷7

Step 1: (50−4)÷7
Step 2: 46÷7
Step 3: 8

In which step does a mistake first appear?

• Step 1

• Step 2

• Step 3

• No mistake was made, the expression was evaluated correctly.

Is the following equation is True or False.

6/3 × 5 + 2 = 8 + 12/4

• True

• False

Is the following equation is True or False.

20 + 3 × 4 = 2 × 8 + 10

• True

• False

Is the following equation is True or False.

7/8 ÷ 1/2 + 4 = 6 × 3/2

• True

• False

Which expression is equal to 15?

• 100÷5+5

• 5×3×2÷2

• 45÷3×2+3

• 20+40÷8−5

An expression with a missing number is shown.

Select all expressions that are equivalent to the given expression.

• (6 × 3) + □ ÷ 2
• 6 × (3 + □ ) ÷ 2

• (6 × 3 + □ ) ÷ 2

• 6 × (3 + □ ÷ 2)

• (6 × 3) + ( □ ÷ 2)

An equation is shown. 40 ÷ 8 + 3 = 54 ÷ 9 Which best explains the equation?

• A) The equation is true because both sides of the equation are equal to 6.

• B) The equation is true because both sides of the equation are equal to 7.

• C) The equation is false because 40 ÷ 8 + 3 is equal to 8 but 54 ÷ 9 is equal to 6.

• D) The equation is false because 40 ÷ 8 + 3 is equal to 6 but 54 ÷ 9 is equal to 7.

Solve the expression (10+5)÷3+7

• 12

• 24

• 48