myUASARevision for UASA
Mathematics questions, unit 1

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 marks
Choose the correct answer.
1

Question 1

Diagram 1 shows two rows of counters. Which row has more counters?
A row of 9 blue counters above a row of 6 orange counters
Diagram 1
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A
Match one to one. The blue row has 9 and the orange row has 6, so blue is more.
For the teacher: Understanding, low difficulty, standard 1.1.1
Textbook p. 3
2

Question 2

Which numeral is twelve?
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B
Twelve is 10 and 2, which is 12.
For the teacher: Remembering, low difficulty, standard 1.2.2(i)
Textbook p. 17
3

Question 3

Diagram 2 shows tens blocks and ones blocks. What number do they show?
3 tens blocks and 7 ones blocks
Diagram 2
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C
3 tens and 7 ones is 30 and 7, which is 37.
For the teacher: Understanding, low difficulty, standard 1.2.1(i)
Textbook p. 23
4

Question 4

10 and 6 make ______.
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D
10 and 6 is 16.
For the teacher: Remembering, low difficulty, standard 1.2.1(i)
Textbook p. 17
5

Question 5

4 and ___ make 10.
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A
4 and 6 make 10.
For the teacher: Remembering, low difficulty, standard 1.4.1
Textbook p. 14
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.
For the teacher: Remembering, low difficulty, standard 1.6.1
Textbook p. 25
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.
For the teacher: Understanding, low difficulty, standard 1.6.1
Textbook p. 26
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.
For the teacher: Applying, low difficulty, standard 1.2.2(iii)
Textbook p. 29
9

Question 9

What is the number after 49?
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A
1 more than 49 is 50.
For the teacher: Applying, low difficulty, standard 1.5.1
Textbook p. 33
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.
For the teacher: Applying, low difficulty, standard 1.5.2
Textbook p. 34
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.
For the teacher: Applying, low difficulty, standard 1.5.2
Textbook p. 36
12

Question 12

What is the next number in the pattern shown in Diagram 3?
Number boxes: 5, 9, 5, 9, 5 and an empty box
Diagram 3
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D
5 and 9 take turns. After 5 comes 9.
For the teacher: Understanding, low difficulty, standard 1.9.1
Textbook p. 40
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.
For the teacher: Understanding, medium difficulty, standard 1.7.1
Textbook p. 43
14

Question 14

Diagram 4 shows 44 between 40 and 50. Round off 44 to the nearest ten.
Number line from 40 to 50 with 44 marked
Diagram 4
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C
44 is nearer to 40 than to 50, so it becomes 40.
For the teacher: Applying, medium difficulty, standard 1.8.1
Textbook p. 46

Section B: structured questions

16 marks
Answer all questions.
15

Question 15

Write the numbers in words.
[1 mark] (a)8
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Tick each point you got.
[1 mark] (b)13
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Tick each point you got.
[1 mark] (c)34
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Tick each point you got.
For the teacher: Remembering, low difficulty, standard 1.3.1
Textbook p. 20
16

Question 16

Diagram 5 shows some counters.
5 blue counters and 3 orange counters
Diagram 5
[1 mark] (a)How many counters are there altogether?
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Tick each point you got.
[1 mark] (b)5 and ___ make 8.
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Tick each point you got.
For the teacher: Understanding, low difficulty, standard 1.4.1
Textbook p. 13
17

Question 17

Diagram 6 shows a number line. Write the missing numbers.
Number line from 77 to 84 with 78, 80, 82 and 83 left empty
Diagram 6
[1 mark] (a)Write the numbers in the empty boxes from 77 to 81.
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Tick each point you got.
[1 mark] (b)Write the numbers in the empty boxes from 81 to 84.
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Tick each point you got.
For the teacher: Applying, low difficulty, standard 1.2.2(i)
Textbook p. 24
18

Question 18

The number cards show 25, 45, 35.
[1 mark] (a)Arrange the numbers in ascending order.
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Tick each point you got.
[1 mark] (b)Arrange the numbers in descending order.
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Tick each point you got.
For the teacher: Applying, medium difficulty, standard 1.2.2(iv)
Textbook p. 38
19

Question 19

Round off to the nearest ten.
[1 mark] (a)74
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Tick each point you got.
[1 mark] (b)85
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Tick each point you got.
For the teacher: Applying, medium difficulty, standard 1.8.1
Textbook p. 46
20

Question 20

Diagram 7 shows house numbers on a street. Write the missing numbers.
House numbers 82, 84, 86, empty, 90, empty
Diagram 7
[1 mark] (a)What is the pattern?
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Tick each point you got.
[1 mark] (b)Write the two missing numbers.
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Tick each point you got.
For the teacher: Applying, medium difficulty, standard 1.9.1
Textbook p. 42
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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Tick each point you got.
For the teacher: Applying, medium difficulty, standard 1.10.1
Textbook p. 50
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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Tick each point you got.
[1 mark] (b)Write the largest number that her mass can be.
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Tick each point you got.
For the teacher: Applying, high difficulty, standard 1.10.1
Textbook p. 51