Nalanda College -Colombo 10
1st Term Test - 2020
Mathematics
Grade 09
Name: ………………………………………. Class: ……………. Index No: …………………
Part I
Answer all the questions on the paper itself.
1. Simplify 1.73 + 17.73
2. Factorize 𝑥 − 𝑎𝑦 − 𝑎𝑥 + 𝑦
3. Simplify 101101two +1101two
4. Factorize 4𝑎2 − 1
5. Convert 101011two into a decimal number
1
6. Expand (𝑥 + )2
𝑥
Page 1 of 7
, Nalanda Collage – Colombo 10 Grade 09 - Mathematic
7. An item was brough for Rs. 5,000/=, sold out for Rs. 5,250/=. Find the profit precentage.
8. General term of a number pattern is 3𝑛 + 1. Find 25th term
3 1 2
9. Simplify 𝑜𝑓 ( + )
4 4 3
10. Find the general term of following number pattern 100, 95, 90, 85 ……..
11. (i) Obtain area of the shaded part
x
a
(ii) Factorize above obtained expression
12. Convert 23 in to a binary number
Page 2 of 7
1st Term Test - 2020
Mathematics
Grade 09
Name: ………………………………………. Class: ……………. Index No: …………………
Part I
Answer all the questions on the paper itself.
1. Simplify 1.73 + 17.73
2. Factorize 𝑥 − 𝑎𝑦 − 𝑎𝑥 + 𝑦
3. Simplify 101101two +1101two
4. Factorize 4𝑎2 − 1
5. Convert 101011two into a decimal number
1
6. Expand (𝑥 + )2
𝑥
Page 1 of 7
, Nalanda Collage – Colombo 10 Grade 09 - Mathematic
7. An item was brough for Rs. 5,000/=, sold out for Rs. 5,250/=. Find the profit precentage.
8. General term of a number pattern is 3𝑛 + 1. Find 25th term
3 1 2
9. Simplify 𝑜𝑓 ( + )
4 4 3
10. Find the general term of following number pattern 100, 95, 90, 85 ……..
11. (i) Obtain area of the shaded part
x
a
(ii) Factorize above obtained expression
12. Convert 23 in to a binary number
Page 2 of 7
