Mathematics questions, unit 1
Nama / NameKelas / ClassTarikh / Date
Numbers up to 100
30 marks. Use Practice to check each answer as you go, or Exam to answer everything first.
Section A: objective questions
14 marksChoose the correct answer.
1
Question 1
Diagram 1 shows two rows of counters. Which row has more counters?
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A
Match one to one. The blue row has 9 and the orange row has 6, so blue is more.
2
Question 2
Which numeral is twelve?
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B
Twelve is 10 and 2, which is 12.
3
Question 3
Diagram 2 shows tens blocks and ones blocks. What number do they show?
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C
3 tens and 7 ones is 30 and 7, which is 37.
4
Question 4
10 and 6 make ______.
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D
10 and 6 is 16.
5
Question 5
4 and ___ make 10.
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A
4 and 6 make 10.
6
Question 6
What is the place value of the digit 4 in 48?
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B
48 is 4 tens and 8 ones. The 4 is in the tens place.
7
Question 7
What is the digit value of 6 in 63?
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C
6 is in the tens place, so it is worth 60.
8
Question 8
Which number is the largest?
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D
90 and 92 have the most tens. Compare the ones: 2 is more than 0, so 92 is the largest.
9
Question 9
What is the number after 49?
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A
1 more than 49 is 50.
10
Question 10
Count on in twos: 14, 16, 18, ______
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B
Each number is 2 more. 18 and 2 is 20.
11
Question 11
Count back in tens: 90, 80, 70, ______
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C
Each number is 10 less. 70 less 10 is 60.
12
Question 12
What is the next number in the pattern shown in Diagram 3?
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D
5 and 9 take turns. After 5 comes 9.
13
Question 13
A small jar is full of buttons. It has 20 buttons. A bigger jar of the same kind is also full of buttons. The bigger jar has ______ 20 buttons.
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B
A bigger jar holds more, so it has more than 20 buttons.
14
Question 14
Diagram 4 shows 44 between 40 and 50. Round off 44 to the nearest ten.
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C
44 is nearer to 40 than to 50, so it becomes 40.
Section B: structured questions
16 marksAnswer all questions.
15
Question 15
Write the numbers in words.
[1 mark]
(a)8
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[1 mark]
(b)13
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[1 mark]
(c)34
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16
Question 16
Diagram 5 shows some counters.
[1 mark]
(a)How many counters are there altogether?
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[1 mark]
(b)5 and ___ make 8.
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17
Question 17
Diagram 6 shows a number line. Write the missing numbers.
[1 mark]
(a)Write the numbers in the empty boxes from 77 to 81.
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[1 mark]
(b)Write the numbers in the empty boxes from 81 to 84.
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18
Question 18
The number cards show 25, 45, 35.
[1 mark]
(a)Arrange the numbers in ascending order.
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[1 mark]
(b)Arrange the numbers in descending order.
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19
Question 19
Round off to the nearest ten.
[1 mark]
(a)74
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[1 mark]
(b)85
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20
Question 20
Diagram 7 shows house numbers on a street. Write the missing numbers.
[1 mark]
(a)What is the pattern?
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[1 mark]
(b)Write the two missing numbers.
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21
Question 21
Ali has 45 marbles. Kumar has 5 marbles fewer than Ali. How many marbles does Kumar have?
[1 mark]
(a)Write your answer.
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22
Question 22
Maya's body mass is more than 30 kg. When her mass is rounded off to the nearest ten, it is also 30 kg. Her mass is less than 35 kg.
[1 mark]
(a)Write one number that her mass can be.
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[1 mark]
(b)Write the largest number that her mass can be.
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