Interpreting and Writing Numerical Expressions

The difference between 8 forty-sevens and 7 forty-sevens

• (8+7)-47
• (8x47) - (7x47)
• (8+47)+(7+47)
• (8x47)+(7x47)

6 times the sum of 12 and 8

• (12-8)x6
• (8x6)+12
• 12+(6x8)
• 6x(12+8)

The sum of 2 twelves and 4 threes.

• (2+12) x (4+3)
• (2x12)-(2x 43)
• (2x12)+(4x3)
• (4x3)-(2x12)

Triple the sum of 33 and 27

• (2x33)+27
• 3x(33+27)
• 13x(33-27)
• 3x(33-27)

The difference between 4 twenty-fives and 3 twenty-fives

• (4x25)+(3x25)
• (4+3)x25
• (4x25)-(3x25)
• (4+25)x(3+25)

(62 – 12) × 11

• The sum of 62 and 12 times 11
• 12 minus 62 plus 11
• 62 times the difference between 12 and 11
• Eleven times the difference between 62 and 12

(30 × 2) + (8 × 2)

• The product of 30 and 2 plus the product of 8 and 2
• The product of 30 eights and 8 twos
• The sum of 30 and 2
• The sum of 30 and 8 times 2

24 × (20 + 5)

• The product of 24 and 20 plus 5
• 24 times the sum of 20 and 5
• The product of the difference between 20 and 5
• The sum of 24 and 20 and 5

15 × (7 + 38)

• 15 times the sum of 7 and 38
• The sum of 15 and 38
• The product of 15 and 7 plus 38
• 15 times the difference between 7 and 38

(7 + 15) × (38 + 15)

• The difference between 7 and 15 plus the difference between 38 and 15
• The product of 7 and 38 plus 15
• The sum of 7 and 15 times the sum of 38 and 15
• The product of 7 and 15 times the product of 38 and 15