Digit Sum Analogy - Absolute-Beginner Level: core concept mastery Digit Sum Analogy ABSOLUTE BEGINNER

This skill primer 🌟 worksheet focuses on Digit Sum Analogy - a key topic in Number Analogy. You'll solve 20 absolute-beginner-level problems (Worksheet 1 of 10). The primary focus is on core concept mastery. Master digit sum analogy problems, digit sum analogy reasoning questions, and digit sum analogy practice through systematic practice.

📝 Worksheet 1 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Absolute Beginner level

What you'll learn in this worksheet:
Your progress through Digit Sum Analogy
Worksheet 1 of 10 (0% complete)

Question 1

Find the missing number: 17 : 8 :: 87 : ?
The relationship is the sum of digits. Sum of digits of 17 = 8, sum of digits of 87 = 15

Question 2

Find the missing number: 30 : 3 :: 53 : ?
The relationship is the sum of digits. Sum of digits of 30 = 3, sum of digits of 53 = 8

Question 3

Find the missing number: 89 : 17 :: 19 : ?
The relationship is the sum of digits. Sum of digits of 89 = 17, sum of digits of 19 = 10

Question 4

Find the missing number: 28 : 1 :: 94 : ?
The relationship is sum of digits plus 1 (wrapping at 9). For 94: 13 + 1 = 1

Question 5

Find the missing number: 50 : 6 :: 46 : ?
The relationship is sum of digits plus 1 (wrapping at 9). For 46: 10 + 1 = 1

Question 6

Find the missing number: 12 : 4 :: 78 : ?
The relationship is sum of digits plus 1 (wrapping at 9). For 78: 15 + 1 = 1

Question 7

Find the missing number: 17 : 8 :: 52 : ?
The relationship is the sum of digits. Sum of digits of 17 = 8, sum of digits of 52 = 7

Question 8

Find the missing number: 99 : 18 :: 86 : ?
The relationship is the sum of digits. Sum of digits of 99 = 18, sum of digits of 86 = 14

Question 9

Find the missing number: 39 : 12 :: 75 : ?
The relationship is the sum of digits. Sum of digits of 39 = 12, sum of digits of 75 = 12

Question 10

Find the missing number: 98 : 8 :: 67 : ?
The relationship is the digital root (repeated sum until single digit). Digital root of 98 = 8, of 67 = 4

Question 11

Find the missing number: 56 : 2 :: 62 : ?
The relationship is the digital root (repeated sum until single digit). Digital root of 56 = 2, of 62 = 8

Question 12

Find the missing number: 51 : 7 :: 52 : ?
The relationship is sum of digits plus 1 (wrapping at 9). For 52: 7 + 1 = 8

Question 13

Find the missing number: 85 : 4 :: 63 : ?
The relationship is the digital root (repeated sum until single digit). Digital root of 85 = 4, of 63 = 9

Question 14

Find the missing number: 82 : 1 :: 61 : ?
The relationship is sum of digits plus 1 (wrapping at 9). For 61: 7 + 1 = 8

Question 15

Find the missing number: 70 : 7 :: 44 : ?
The relationship is the digital root (repeated sum until single digit). Digital root of 70 = 7, of 44 = 8

Question 16

Find the missing number: 43 : 8 :: 54 : ?
The relationship is sum of digits plus 1 (wrapping at 9). For 54: 9 + 1 = 1

Question 17

Find the missing number: 83 : 11 :: 62 : ?
The relationship is the sum of digits. Sum of digits of 83 = 11, sum of digits of 62 = 8

Question 18

Find the missing number: 43 : 8 :: 88 : ?
The relationship is sum of digits plus 1 (wrapping at 9). For 88: 16 + 1 = 1

Question 19

Find the missing number: 26 : 8 :: 58 : ?
The relationship is the digital root (repeated sum until single digit). Digital root of 26 = 8, of 58 = 4

Question 20

Find the missing number: 38 : 1 :: 59 : ?
The relationship is sum of digits plus 1 (wrapping at 9). For 59: 14 + 1 = 1
Next Worksheet