Grade 7 Practice

Five less than y

• 5+y
• 5y
• 5-y
• y-5

addition, subtraction, multiplication, division

• operations

• solution

• algebraic expression

• equation

Simplify the expression:

5a + 2b - 3a + 4

• 8a + 2b + 4

• 2a + 2b + 4

• 8ab

• 4ab + 4

Simplify:
14k + 4 + 18 - 16k

• 30k + 14
• 30k - 14
• -2k + 22
• -2k + 14

Simplify m x m x m 

• 3undefined 

• undefined 3

• undefined 

• Monomial

• Binomial

• Trinomial

• None of the above

Find the amount when:

Principal = Rs 6400, rate = 6% p.a. and time = 2 years

• Rs.768

• Rs.7681

• Rs.786

• Rs.7168

Find the simple interest at the end of one year,400 rupees at 5% interest per annum

• 30rupees

• 20 rupees

• 10rupees