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Mathematics for SA2 (Year 5)
1. What are vertices?
a. corners
b. sides
c. faces
2. What is the 3D shape with has 6 surfaces only and two that are squares?
a. hexagonal prism
b. cuboid
c. cube
3. What is the perimeter of the shape that the length is 95 cm and the breath is
60 cm.
-----------cm
4. A square shape daisy flower field is 23 m in length. Calculate the area.
-----------------m2
5. The length of a rectangular floor is three times its width. It has a perimeter of
64m. What are the dimensions of the floor?
l =-------------m
w=-------------m
6.Order the following in descending order.
35
100
4
, 0.7, 50%, , 0.1
5
_______________________________________________________
7. Find the difference between x-coordinate and y-coordinate between the two
points.
P (4,8)
Q (7,12)
x-coordinate value = -----------y-coordinate value= ------------8. Write "True or False".
a. 5% = 0.5
b. 1 >
c.
3
5
3
4
< 0.8
----------------------------------------------------------
9. The price of digital watch is $ 36.99. Ring the two decimal numbers that added
to make the price of the digital watch.
$15.50
$22.44
$19.44
$17.55
10. Partition the given number.
92.71 = ---------- + ---------- + ---------- + --------------11. Ring the numbers that are round down to nearest whole number.
81.8
35.3
22.5
48.4
12. Calculate the following.
a. What is the 10 times heavier than 3.76 kg?
---------------------
b. What is the 100 times heavier than 3.29 kg?
---------------------
c. What is the 10 times lighter than 34.2 kg?
---------------------
d. Arrange the results from above in ascending order.
---------------------------------------------------------------------------------------------13. What is the multiple of 60 that comes before 289?
--------------------
14. Complete the pattern below.
2.4, 4.8, __________, 9.6, __________, 14.4.
15. Solve the following addition using the expanded written method. Estimate the
decimals to the nearest whole numbers first.
86.38 + 60.97 = __________________.
16. Work out the questions.
a. 100 pairs of funny glasses cost $ 565 in total. What is the cost for 1 pair?
$ _______________
b. One writing pad cost $ 4.77. How much is it for 1000 of them?
$ _______________
17. Calculate it. Round your answer to the nearest whole.
977 ÷ 4
_______________
18. Calculate using the grid method.
57 x 26 = _________________
x
19. Observe the stated figure.
100
100
10
0.1
0.1
0.1
100
100
10
0.1
0.1
0.1
100
100
10
0.1
0.1
0.1
100
100
10
0.1
0.1
0.1
What calculation is modelled by the counters?
______________ x ________________ = __________________
20. George bought a bag of marbles for $ 22.80. How much did he pay for such 6
bags of marbles?
$______________
21. 3057 people came to K-pop Music Concert. 9 audiences sat in a row. How
many rows were fully occupied? Hint: round down or up.
_____________rows
22. Find
3
5
of 35.
__________
23. Circle the equivalent fraction of
2
8
1
2
1
4
4
4
8
8
24. Write
10
12
.
in its simplest form.
____________
25. Work out the missing numerator.
3
=
4
16
26. Covert 50% into a fraction in its simplest form.
________________
27. Write the given statement as a percentage.
“29 out of 100 shirts are green shirts.”
________________%
28. 35 months is greater than 3 years. True or False?
________________
29. Add
1
4
and
6
8
.
________________
30. Subtract
3
14
from
3
7
.
________________
1
31. Multiply
9
by 5.
_________________
32. Divide
1
by 4.
7
_________________
33. Write the numbers in order from the greatest to the smallest.
50%
,
4
5
,
3
10
, 90% , 70%,
1
4
____________________________
34. Convert these decimal times.
a. 1.25 h = _____________ minutes
b. 1.5 min = ____________ seconds
c. 2.75 days = ______________ hours
35. A football match started at 17:40. It ended at 20:12. How long was the football
match?
_______________
36. 10% of the balloons at a big party are purple. If there are 2750 balloons, how
many balloons are purple?
____________ balloons
37. Mohan had 180 stamps.
3
10
of them are local stamps and the rest are foreign
stamps. How many local stamps and does he have?
____________ local stamps
38. Write each fraction in its simplest form.
a.
e.
i.
12
16
=
b.
=
f.
25
100
28
32
=
j.
28
63
7
21
9
18
=
c.
=
g.
6
15
8
10
=
=
d.
h.
24
36
15
20
=
=
=
39. Complete the table.
Fraction
Decimals
Percentages
1
2
0.7
2%
0.45
1
5
40. Here is a tile pattern.
1. What is the ratio of black tiles to white tiles? (Simplify the ratio) _________
2. What is the proportion of black tiles? _____________________________
41. Complete the sentences. Remember to express the proportion as a fraction.
There are three frogs and six birds.
a. What is the ratio of birds to frogs? (Simply the ratio.) ______: _______
b. What is the proportion of frogs? _____________
42.
What is the ration of the squares to triangles? (Simplify the ratio.)
______________
What is the proportion of triangles? _________________
43. Write the ratios given. Simplify them where possible.
An animal charity center has 60 animals. 15 of them are cats and the rest are
dogs. What is the ratio of cats to dogs?
__________________
A pencil case holds 72 pencils. 12 of them are red and the rest are blue. What is the
ratio of blue to red pencils?
____________________
There are 88 animals in the field. 22 of them are sheep and the rest are cows. What
is the ratio of cows to sheep?
____________________
A group of preschools has 8 boys and 24 girls. What is the ratio of girls to all
children?
_______________
A pattern has 4 blue triangles to every 12 yellow triangles. What is the ratio of blue
triangles to all triangles?
___________________
Dylan drew 2 hearts, 4 stars and 26 circles. What is the ratio of circles to hearts to
stars?
___________________
44. Answer the questions. Assume the relationship between the numbers in the
question is proportional.
Daisy bakes 10 cakes in 5 days. How many cakes would Daisy make in 10 days?
__________________
Juno cycles a total of 12 kilometers in 4 trips to work. After 12 trips to work, how
many kilometers will Juno have cycled?
___________________
Lucy reads 25 books every 3 months. After a year, how many will Lucy have read?
___________________
45. Multiply and divide the given numbers by 10,100 and 1000.
a. 367 ÷ 10 = _________
b. 1293 x 10 =_________
c. 69 x100 =__________
d. 990 ÷ 1000 = _________
e. 12.8 x 10 = _________
f. 0.34 x100 =__________
g. 63.45 x 100 = ________
h. 77.8 ÷ 10 =__________
46. Round each number to the nearest whole number and nearest tenths.
Number
12.53
1.37
0.76
2.77
9.03
0.65
12.92
Nearest whole
13
1
Nearest tenth
12.5
47. Convert to the units shown.
a. 55m
=_________cm
e. 8000 cm = _________m
b. 7.2 cm = _________mm
f. 27 cm
= _________m
c. 3000mm = ________cm
g. 0.98 m
= _________cm
d. 5.6 mm = __________cm
h. 42.55 mm = _________cm
48. Find the product. Show your working in the given space.
a. 34 x 56
b. 19 x 78
49. Complete the division problems using any method you prefer.
a. 846 ÷ 9
b. 6021 ÷ 3
50. Find the quotient and remainder.
a. when 2413 is divided by 6.
b. when 3471 is divided by 9
51. Solve the word problems. Show your working in the given space.
1. The cost of laptop is $994.89. A company ordered 100 such laptops.
How much money need to be paid?
$_____________
2. A spiderman toy cost $ 8.98. David wants to buy 100 spiderman toys for
a charity. How much does he have to use?
$______________
3. Mrs. Wendy bought 200 umbrellas costing $ 3275 in total. How much
did an umbrella cost?
$_______________
4. Amy has $21. Her brother gives her $0.07. Her father gives her $0.45.
How much money does she have now?
$___________
5. A motorcycle cost $ 357.45. How much did 10 such motorcycles cost?
$______________
6. Jackson had $30. He bought a book for $ 12.40. Then, he bought a
magazine. He was left with $8.90. Find the cost of the magazine?
$______________
7. There are 58 boxes of counters. Each box contains 27 counters. How
many counters are there in all?
___________counters
8. A cinema complex has 22 screens. Each screen had seats for 79 people.
How many seats are there in all?
____________ seats
9. 65 bags of cement are used on a building site. If each bag contains 35 kg
of cement, how much cement is this?
____________kg
10.Mary made 43 trays of cupcakes. The cupcakes in each tray are in 4 rows
of 8. How many cupcakes is that in all?
_____________cupcakes
11.Nine people paid a total of $1359 to stay in a hotel. How much did they
each pay?
$____________
12.Susan has made 665 cakes for a party. She places them on plates that
can hold 7 cakes. How many plates does Susan need?
___________plates
13.A greeting card shop has 1436 cards. Each rack can hold 6 cards. How
many racks does the shop need to display all the cards?
____________racks
52. Solve the given fractions. Simplify them.
a.
c.
e.
1
+
6
17
24
4
5
-
-
2
6
5
24
5
25
=
b.
=
d.
=
f.
2
3
11
18
-
=
9
1
-
22
17
2
+
6
2
9
-
=
1
6
=
3
g.
10
+
5
20
=
h.
1
2
+
2
16
+
1
8
=
53. Work out these fractions.
a. =
53. Work out these fractions.
a.
1
6
c.
of $ 72
4
5
of 75 donuts
b.
d.
2
3
1
4
of 60 candies
of 60 oranges
d.
5
8
of 56 kg
f.
6
7
of 63 strawberries
54. Calculate the percentages.
a. 15% of 60 coffee candies
b. 5% of 20 pencils
c. 40% of 30 books
d. 75% of 60 candies
55. Tracy bought 48 cakes. She gave
1
6
of them to her friends. Her family ate
2
3
of
them.
a. How many cakes did her family eat?
_________________ cakes
b. How many cakes had she left?
__________________ cakes
56. Mr. Anthony earns $3500 per month. 20% of his income goes to his saving
account.
a. How much money does he save monthly?
$____________
b. How much money will he save up in a year?
$_____________