1. PREPARETION MID – SEMESTER Michael go to library for the first time on Sept
MATHEMATICS 7 3rd .
By Mr.Ronald (PGS) a. How many times Andi, Nathan and
A. NUMBERS Michael going to library on September ?
1. List the elements of the following sets : b. How many times Andi and Nathan going
a. { odd numbers less than 15} to library together on September?
b. { whole number less than 10} c. How many times Andy and Michael going
c. { prime number between 1 and 20 } to library together on September?
d. { prime factors of 60 } d. How many times Nathan and Michael
e. { multiples of 3 between 3 and 50 } going to library together on September?
2. Calculate : e. How many times Andi, Nathan and
a. 13 + (-6) – (-11) – 3 + 7 = …. Michael going to library together on
b. -5 + ( -10) –(-11) – 17 + (-9) = … September?
c. -20 –(-7) + (-6) + (-12) -34 = …
d. 123 -78 +( -24) –(-45) + (-12) = …. 8. Bondan playing badminton every 4 days and
3. Calculate : Samantha playing badminton every 5 days.
a. (-5)2 + (-52) – (-32)+ (-3)2 = … They play together for the first time on
b. -33 – (-23) + (-2)2 – 42 = … August 7th . when they play together at the
c. (-2)3 + (-4)2 + (-52) – (-62) =…. second time?
d. -13 – 32 +(-4)3 –(-33) =…
9. The marking criteria in a test with 50
4. If given , p = -3 , q = 2 and r = -1 calculate : multiple choice is ;
a. 2pq + q2 – 2r =… 2 marks for every correct answer
b. pq – 2qr + 4r = … -1 marks for every incorrect answer
c. pqr + 3pq + 3qr2 =… 0 marks for every no answer
d. 4pr – 2pq + 3q2r = … a. Richard answer 45 questions. If Richard
e. p2 – 3pq + qr =… gets 37 correct answer. Find Richards
score?
5. Calculate : b. Darren get 42 correct answer and 3 no
a. (50 x 17) + ( 50 x 13 ) – (50 x 6 ) = … answer. Find Darrens score?
b. (12 x 18 ) + ( 6 x 12 ) – ( 12 x 14 ) =….
10. If the sign “☺ “ means subtract the first
c. = …. number from square the second number, then
add to multiplication the first number and
6. Find LCM and GCF of :
second number. Determine :
a. 12 and 16
a. 2☺-3
b. 144 and 256
b. -3☺2
c. 8ab3 and 42 a2b
c. (2☺-3)☺ (-2)
d. 16a2b3c and 36a3b2c2
d. 2☺(-3☺-2)
e. 15abc2, 10b2c3 and 20ac2
11. If the sign “©” means squared the subtraction
first number from the second number.
7. Andi going to library every 2 days, Nathan
Determine :
going to library every 3 days and Michael
a. 2 © 3
going to library every 4 days. Andi go to
b. -1© 4
library for the first time on Sept 1st , Nathan
c. -2© (3 © -1 )
go to library for the first time on Sept 2nd and

2. B. FRACTIONS e. 0,00000032145
1. Insert 2 fractions with a right values between
the fractions 6. Simplify :
a. 2 x 102 + 3 x 103 – 1,3 x 10-2
b. 1,2 x 10-1 + 3,3 x 102 – 2,4 x 103
c.
2. Arrange the following fractions in descending
order :
a. C. BASIC ALGEBRA
1. Add 3 ( a + b ) to ( a - 2b)
b.
2. Add -2(ab – 2a + 3 c ) to ( ab + 4a – 5c )
3. Express the following as proper fractions or 3. Subtract ( x3 + 2x2 – x + 13 ) from
improper fractions into lowest term : (3x3 – 4x2 + 10x + 21 )
a. 0, 25 b . 1,125 c. 0,425
d. 0,675 e. 3,35 4. If P = (3x2 + x – 3)
Q = (2x3 + x2 + 11)
4. Calculate : R = (x3 – 2x + 5)
a.
Calculate :
a. P+Q–R
b. b. 2P – 3Q + 2R
c. 3P + 2Q – R
d. 5P + 3Q – 2R
c.
5. Simplify :
d. a. 3a + { 4a – 7a + 18 }
e. b. ( 3a2 – 2a + 7 ) – ( -4a2 + 5a – 6 )
c.
f. 1-
d.
5. Write the following in the standard form to 2
decimal places :
a. 0,0000123
b. 0,000006758
c. 2345, 1234
d. 178, 3546