LEARNER: ___________________ GRADE: VII
SUBJECT: - Math
DIV:
Date: _________
Topic: Revision(Home work)
1. Erica is tiling the floor of a rectangular room of length 3 meters and width 2.5 meters.
She uses square tiles of side 25 centimeters.
(a) Calculate
(i) how many tiles will fit along the length of the room.
(ii) how many tiles she will need altogether.
(b) Work out the area of one tile.
(i) in square meters
(ii) in square centimeters
2.
3.
4.
5.
6.
7.
8. In a triangle XYZ, the perpendicular bisector of XY and the bisector of angle XYZ are the same line.
What does this tell you about triangle XYZ? Draw the sketch.
3. Construct the triangle with sides of 10 cm, 7cm and 6cm
4. a. Construct triangle ABC.
b. Measure the length of BC.
BC=_________cm.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
Calculate the perimeter of the shape.
21.
22.
23.
24.
This rule can be used to work out a fare, in dihrams, for
a taxi journey in Dubai.
a. Paul travelled 9 kilometres. Work out his fare.
b. Jennie’s fare was 26 dihrams. Work out the number of kilometers she
travelled.
25. Find the value of 62 - 32
26.
27.
28.
Fatima rounds 3.96 to decimal place and gives the answer as 4. Explain why Fatima is wrong.
29. Two identical squares and a rectangle are drawn below. Find the length of the rectangle.
30. Shown below is a rectangle with perimeter 15.2cm. Find the length of the rectangle.
31. Complete the table:
Number
To the nearest 10
234.567
230
To the nearest 100
To 1 decimal place
To 2 decimal place
234.6
9.41467
32. A book weighs 3.3 pounds. Change 3.3 pounds to an equivalent metric measure.
33. Work out the distance between the town and the beach. State your units.
34. A bucket weighs 800g. When half filled with water, the bucket weighs 4.5kg.Work out the
weight when the bucket is filled completely with water.
35.
a) Hannah is 5 foot tall. Natalie is 1.46metres tall and Kelly is 154 centimeters tall. Arrange the girls
in order of height. Start with the shortest.
b) Gina cycles a distance of 20 miles and Wendy cycles a distance of 30 kilometers. Who travels
further?
1. Mt. Everest, the highest elevation in Asia, is 29,028 feet above
sea level. The Dead Sea, the lowest elevation, is 1,312 feet
below sea level. What is the difference between these two
elevations?
ANSWER BOX:
feet
CLEAR
RESULTS BOX:
2. In Buffalo, New York, the temperature was -14°F in the
morning. If the temperature dropped 7°F, what is the
temperature now?
ANSWER BOX:
°F
CLEAR
RESULTS BOX:
3. A submarine was situated 800 feet below sea level. If it
ascends 250 feet, what is its new position?
ANSWER BOX:
feet
CLEAR
RESULTS BOX:
4. Maggie owes the candy store $35. Each of 5 friends will help
her pay off her debt. How much will each friend pay?
ANSWER BOX: $
CLEAR
Hint
RESULTS BOX:
5. Roman Civilization began in 509 B.C. and ended in 476 A.D.
How long did Roman Civilization last?
ANSWER BOX:
years
CLEAR
RESULTS BOX:
6. Lilly bought 4 pairs of blue jeans at $32 each. How much
money did she pay the clerk?
ANSWER BOX: $
CLEAR
Hint
RESULTS BOX:
7. A submarine was situated 450 feet below sea level. If it
descends 300 feet, what is its new position?
ANSWER BOX:
feet
CLEAR
RESULTS BOX:
8. In the Sahara Desert one day it was 136°F. In the Gobi Desert
a temperature of -50°F was recorded. What is the difference
between these two temperatures?
ANSWER BOX:
°F
CLEAR
RESULTS BOX:
9. The Punic Wars began in 264 B.C. and ended in 146 B.C. How
long did the Punic Wars last?
ANSWER BOX:
years
CLEAR
Hint
RESULTS BOX:
10. Metal mercury at room temperature is a liquid. Its melting
point is-39°C. The freezing point of alcohol is -114°C. How
much warmer is the melting point of mercury than the
freezing point of alcohol?
ANSWER BOX:
°C
CLEAR
Hint
RESULTS BOX:
1. Mt. Everest, the highest elevation in Asia, is 29,028 feet above
sea level. The Dead Sea, the lowest elevation, is 1,312 feet
below sea level. What is the difference between these two
elevations?
ANSWER BOX:
feet
CLEAR
RESULTS BOX:
2. In Buffalo, New York, the temperature was -14°F in the
morning. If the temperature dropped 7°F, what is the
temperature now?
ANSWER BOX:
CLEAR
°F
RESULTS BOX:
3. A submarine was situated 800 feet below sea level. If it
ascends 250 feet, what is its new position?
ANSWER BOX:
feet
CLEAR
RESULTS BOX:
4. Maggie owes the candy store $35. Each of 5 friends will help
her pay off her debt. How much will each friend pay?
ANSWER BOX: $
CLEAR
Hint
RESULTS BOX:
5. Roman Civilization began in 509 B.C. and ended in 476 A.D.
How long did Roman Civilization last?
ANSWER BOX:
RESULTS BOX:
years
CLEAR
6. Lilly bought 4 pairs of blue jeans at $32 each. How much
money did she pay the clerk?
CLEAR
ANSWER BOX: $
Hint
RESULTS BOX:
7. A submarine was situated 450 feet below sea level. If it
descends 300 feet, what is its new position?
ANSWER BOX:
CLEAR
feet
RESULTS BOX:
8. In the Sahara Desert one day it was 136°F. In the Gobi Desert
a temperature of -50°F was recorded. What is the difference
between these two temperatures?
ANSWER BOX:
°F
CLEAR
RESULTS BOX:
9. The Punic Wars began in 264 B.C. and ended in 146 B.C. How
long did the Punic Wars last?
ANSWER BOX:
years
CLEAR
Hint
RESULTS BOX:
10. Metal mercury at room temperature is a liquid. Its melting
point is-39°C. The freezing point of alcohol is -114°C. How
much warmer is the melting point of mercury than the
freezing point of alcohol?
ANSWER BOX:
°C
CLEAR
Hint
RESULTS BOX:
http://www.mathgoodies.com/lessons/vol5/challenge_vol5.html
Q.I) Do as directed:
a)
b)
c) Explain how theses diagrams show that is greater than .
Q.II)
4.
5.
6.
do as directed:
1. Calculate the value of these:
i) - √16 -√8=____________
ii) √16 -√8=_____________
2. 52=25, 122=144 and 132 =169
25 +144=169, we could write 52+122=132,
Then fill in the blanks.
a) 32+42=_________2
b)____________2+82=102
3. The number 81 is 3 raised to which power?
4.Without using the calculator, write down the value of:
a)√125=_______
b) √121=_________
5. In Buffalo, New York, the temperature was - 14°F in the morning. If the temperature dropped by
7°F, what is the temperature now?
Q. II) Do as directed:
1. Four dollars more than five times the price of a hamburger.
a)
b)
c)
d)
5
5
-
2. What is the value of the expression below when t=2?
a)
b)
c)
d)
-
2
3
10
15
3. Asif is
years old. Write an expression to answer the following questions:
a. How old will Asif be in 5 years time?________________________
b. How old will Asif 3 years ago? ________________________
c. Saeed is 5 years younger than Asif. How old is Aseef? ________________________
d. Amiira is 3 times as old as Saeed. How old is Amiira?___________________________
e. Saeed is twice as old as Karl. How old is Karl? __________________________
4. A pencil costs m cents, a notebook costs n cents and a ruler costs r cents. Write down an expression
for the cost of 5 pencils, 4 notebooks and rulers.
5. Write down an expression for the area of the shape given below. Simplify your answer:
Area=6(__________)+_____(_________)
=_____________________________
=_______________________________
6. In the diagram below, the angle a = 150°.
Find the size of the unknown angles:
b=
c=
d=
e=
6. Find the size of each of the angles marked with letters in the diagram below:
a)
b)
a=
°
b=
°
c=
°
d=
°
e=
°
a=
°
b=
°
c) Three exterior angles are marked a, b and c on the triangle below.
What is the total of the three exterior angles?
a+b+c=
a=
d)
°
°
b=
°
c=
°
d=
°
7. Complete this diagram. On each line, the terms in the two circles multiply to give the term in the
rectangle between them.
a.
4ab
2ab2
2b
8.
9.
10.
11.
12.