Maths Year 7 T&A
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Transcript of Maths Year 7 T&A
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8/12/2019 Maths Year 7 T&A
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18 108
108 =
19 144
144 =
20 900
900 =
2012 Pascal Press
Write in index form:
1 7 7 7 7 7 7
Write in expanded form:
2 3 5
3 2 4 5 3
Which is equivalent to 2 3 3 5 2 3 2 5 3? Shade in the bubble.
4 2
2 3 3 5 4 2 4 3 2 5 3 2 3 3 4 5 2 2 4 3 3 5 2
Find the value of:
5 2 5
6 3 4
7 2 3 3 2
8 5 2 11
9 3 5 7 2
10 2 2 3 2 5
Which is NOT prime? Shade in the bubble.
11 2 5 7 9
Which of these numbers is prime? Shade in the bubble.
12 21 23 25 27
What is 24 as a product of its prime factors? Shade the bubble.
13 2
3 3 2 33
22 3 2 2
3 3 2
What is 60 as a product of its prime factors? Shade the bubble.
14 3 4 5 2
2 3 5 2 32 5 2 3 5
2
Use a factor tree to nd the prime factors of each number and then write the numberas a product of its prime factors (using index notation).
15 36
36 =
16 40
40 =
17 48
48 =
AUSTRALIAN CURRICULUM MATHEMATICS TEST
YEAR 7 NUMBER AND ALGEBRA:
INDEX NOTATION AND PRODUCTS OF POWERS
CHECK YOUR SCORE FOR THE TEST
Basic level 1 9 Intermediate level 10 16 Advanced level 17 20
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8/12/2019 Maths Year 7 T&A
2/2
18 108
108 =
19 144
144 =
20 900
900 =
CHECK YOUR SCORE FOR THE TEST
Basic level 1 9 Intermediate level 10 16 Advanced level 17 20
2012 Pascal Press
Write in index form:
1 7 7 7 7 7 7 7
6
Write in expanded form:
2 3 5 3 3 3 3 3
3 2 4 5 3 2 2 2 2 5 5 5
Which is equivalent to 2 3 3 5 2 3 2 5 3? Shade in the bubble.
4 2
2 3 3 5 4 2 4 3 2 5 3 2 3 3 4 5 2 2 4 3 3 5 2
Find the value of:
5 2 5 32
6 3 4 81
7 2 3 3 2 72
8 5 2 11 275
9 3 5 7 2 735
10 2 2 3 2 5 180
Which is NOT prime? Shade in the bubble.
11 2 5 7 9
Which of these numbers is prime? Shade in the bubble.
12 21 23 25 27
What is 24 as a product of its prime factors? Shade the bubble.
13 2
3 3 2 33
22 3 2 2
3 3 2
What is 60 as a product of its prime factors? Shade the bubble.
14 3 4 5 2
2 3 5 2 32 5 2 3 5
2
Use a factor tree to nd the prime factors of each number and then write the numberas a product of its prime factors (using index notation).
15 36
36 =
16 40
40 =
17 48
48 =
ANSWERS TOAUSTRALIAN CURRICULUM MATHEMATICS TESTYEAR 7 NUMBER AND ALGEBRA:INDEX NOTATION AND PRODUCTS OF POWERS
4 9
2 2 3 3
4 10
2 2 2 5
6 8
2 3 2 4
2 2
9 12
3 3 3 4
2 2
12 12
3 4 3 4
2 2 2 2
9 100
3 3 2 50
2 25
5 5
2 2 3 2 2 2 3 3
2 4 3 2
2 2 3 2 5 2
2 3 5
2 4 3
The factor trees are not unique. There are different ways to do the factorisations and ge t the
