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Digit Sum Analogy: Worksheet 10 - Expert Practice Digit Sum Analogy EXPERT

Ready to master Digit Sum Analogy? This accuracy focus 👑 worksheet (10/10) presents 20 expert-level challenges. Focus area: application-based learning. Learn to solve digit sum analogy reasoning tricks, handle fast digit sum analogy solving, and perfect digit sum analogy mastery with our step-by-step solutions.

📝 Worksheet 10 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Expert level

What you'll learn in this worksheet:
Your progress through Digit Sum Analogy
Worksheet 10 of 10 (100% complete)

Question 1

Find the missing number: 28 : 10 :: 24 : ?
The relationship is the sum of digits. Sum of digits of 28 = 10, sum of digits of 24 = 6

Question 2

Find the missing number: 77 : 14 :: 91 : ?
The relationship is the sum of digits. Sum of digits of 77 = 14, sum of digits of 91 = 10

Question 3

Find the missing number: 42 : 6 :: 28 : ?
The relationship is the digital root (repeated sum until single digit). Digital root of 42 = 6, of 28 = 1

Question 4

Find the missing number: 59 : 5 :: 97 : ?
The relationship is the digital root (repeated sum until single digit). Digital root of 59 = 5, of 97 = 7

Question 5

Find the missing number: 75 : 3 :: 29 : ?
The relationship is the digital root (repeated sum until single digit). Digital root of 75 = 3, of 29 = 2

Question 6

Find the missing number: 56 : 1 :: 63 : ?
The relationship is sum of digits plus 1 (wrapping at 9). For 63: 9 + 1 = 1

Question 7

Find the missing number: 13 : 5 :: 17 : ?
The relationship is sum of digits plus 1 (wrapping at 9). For 17: 8 + 1 = 9

Question 8

Find the missing number: 95 : 14 :: 95 : ?
The relationship is the sum of digits. Sum of digits of 95 = 14, sum of digits of 95 = 14

Question 9

Find the missing number: 78 : 15 :: 24 : ?
The relationship is the sum of digits. Sum of digits of 78 = 15, sum of digits of 24 = 6

Question 10

Find the missing number: 21 : 3 :: 70 : ?
The relationship is the digital root (repeated sum until single digit). Digital root of 21 = 3, of 70 = 7

Question 11

Find the missing number: 20 : 2 :: 23 : ?
The relationship is the digital root (repeated sum until single digit). Digital root of 20 = 2, of 23 = 5

Question 12

Find the missing number: 55 : 10 :: 29 : ?
The relationship is the sum of digits. Sum of digits of 55 = 10, sum of digits of 29 = 11

Question 13

Find the missing number: 43 : 7 :: 21 : ?
The relationship is the digital root (repeated sum until single digit). Digital root of 43 = 7, of 21 = 3

Question 14

Find the missing number: 29 : 1 :: 40 : ?
The relationship is sum of digits plus 1 (wrapping at 9). For 40: 4 + 1 = 5

Question 15

Find the missing number: 58 : 13 :: 21 : ?
The relationship is the sum of digits. Sum of digits of 58 = 13, sum of digits of 21 = 3

Question 16

Find the missing number: 93 : 3 :: 98 : ?
The relationship is the digital root (repeated sum until single digit). Digital root of 93 = 3, of 98 = 8

Question 17

Find the missing number: 95 : 14 :: 76 : ?
The relationship is the sum of digits. Sum of digits of 95 = 14, sum of digits of 76 = 13

Question 18

Find the missing number: 66 : 3 :: 87 : ?
The relationship is the digital root (repeated sum until single digit). Digital root of 66 = 3, of 87 = 6

Question 19

Find the missing number: 42 : 6 :: 32 : ?
The relationship is the sum of digits. Sum of digits of 42 = 6, sum of digits of 32 = 5

Question 20

Find the missing number: 42 : 7 :: 51 : ?
The relationship is sum of digits plus 1 (wrapping at 9). For 51: 6 + 1 = 7
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