Open Sentences - JSS1 Mathematics Past Questions and Answers - page 1
Which of the following is an example of using a letter to represent a number?
2+3=5
π₯+2=7
10β4=6
8Γ3=24
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Which of the following is a closed sentence?
π¦+4=9
3+5=8
π₯β2=5
2π¦= 10
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What is the solution to the open sentence π₯+6=11?
4
5
6
7
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Which of the following is an open sentence?
4+5=9
π₯Γ3=15
6Γ·2=3
7β3=4
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Given the open sentence 2π¦β3=5, which value of π¦ makes the sentence true?
3
4
6
5
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What is the value of π₯ in the open sentence π₯β4= 10?
14
6
10
16
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Identify the open sentence:
12Γ2=24
15+π₯=20
8β3=5
10Γ·5=2
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What number from the set {1, 2, 3, 4} satisfies the open sentenceΒ 3π₯=9?
1
2
3
4
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Which of the following sentences is closed?
π¦Γ4= 16
7+2=9
π₯β1= 5
5π¦= 25
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What is the value of π¦ in the open sentence 3π¦+6=15?
1
2
3
4
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