Puzzles with two unknowns
5th grade (Year 6 in England) · 16 questions · Common Core: 5.OA.A.2 · England: Y6 Algebra
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Date
Score/ 16
Question 1
a + b = 6, where a and b are whole numbers greater than 0. How many different pairs (a, b) are possible?
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Question 2
a is 3 times b, and a + b = 48. What is b?
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Question 3
Two numbers add to 11 and their difference is 9. What is the larger number?
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Question 4
a + b = 6, where a and b are whole numbers greater than 0. How many different pairs (a, b) are possible?
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Question 5
a is 2 times b, and a + b = 33. What is b?
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Question 6
Two numbers add to 14 and their difference is 4. What is the larger number?
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Question 7
a + b = 15, where a and b are whole numbers greater than 0. How many different pairs (a, b) are possible?
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Question 8
a is 4 times b, and a + b = 15. What is b?
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Question 9
Two numbers add to 31 and their difference is 1. What is the larger number?
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Question 10
a + b = 9, where a and b are whole numbers greater than 0. How many different pairs (a, b) are possible?
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Question 11
a is 3 times b, and a + b = 48. What is b?
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Question 12
Two numbers add to 21 and their difference is 11. What is the larger number?
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Question 13
a + b = 14, where a and b are whole numbers greater than 0. How many different pairs (a, b) are possible?
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Question 14
a is 3 times b, and a + b = 48. What is b?
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Question 15
Two numbers add to 16 and their difference is 2. What is the larger number?
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Question 16
a + b = 12, where a and b are whole numbers greater than 0. How many different pairs (a, b) are possible?
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