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Double/Half: Worksheet 10 - Expert Practice Double/Half EXPERT

Ready to master Double/Half? This accuracy focus 👑 worksheet (10/10) presents 20 expert-level challenges. Focus area: application-based learning. Learn to solve double/half reasoning tricks, handle fast double/half solving, and perfect double/half 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 Double/Half
Worksheet 10 of 10 (100% complete)

Question 1

Sonam is half as old as Mike was when Sonam was 11 years old. If Mike is now 51 years old, find Sonam's current age.
When Sonam was 11 years old, that was 21 years ago
At that time, Mike was 51 - 21 = 30 years old
Now Sonam is half of 30
Therefore, Sonam's current age = 30 ÷ 2 = 15

Question 2

Robert is half as old as Veena was when Robert was 14 years old. If Veena is now 29 years old, find Robert's current age.
When Robert was 14 years old, that was 7 years ago
At that time, Veena was 29 - 7 = 22 years old
Now Robert is half of 22
Therefore, Robert's current age = 22 ÷ 2 = 11

Question 3

Ankur is half as old as Joshua was when Ankur was 23 years old. If Joshua is now 50 years old, find Ankur's current age.
When Ankur was 23 years old, that was 8 years ago
At that time, Joshua was 50 - 8 = 42 years old
Now Ankur is half of 42
Therefore, Ankur's current age = 42 ÷ 2 = 21

Question 4

Urvashi is half as old as Gauri was when Urvashi was 10 years old. If Gauri is now 51 years old, find Urvashi's current age.
When Urvashi was 10 years old, that was 21 years ago
At that time, Gauri was 51 - 21 = 30 years old
Now Urvashi is half of 30
Therefore, Urvashi's current age = 30 ÷ 2 = 15

Question 5

Ethan is half as old as Rishi was when Ethan was 15 years old. If Rishi is now 38 years old, find Ethan's current age.
When Ethan was 15 years old, that was 12 years ago
At that time, Rishi was 38 - 12 = 26 years old
Now Ethan is half of 26
Therefore, Ethan's current age = 26 ÷ 2 = 13

Question 6

Ashwin is half as old as Patrick was when Ashwin was 16 years old. If Patrick is now 33 years old, find Ashwin's current age.
When Ashwin was 16 years old, that was 11 years ago
At that time, Patrick was 33 - 11 = 22 years old
Now Ashwin is half of 22
Therefore, Ashwin's current age = 22 ÷ 2 = 11

Question 7

Zoe is half as old as Ezra was when Zoe was 11 years old. If Ezra is now 37 years old, find Zoe's current age.
When Zoe was 11 years old, that was 13 years ago
At that time, Ezra was 37 - 13 = 24 years old
Now Zoe is half of 24
Therefore, Zoe's current age = 24 ÷ 2 = 12

Question 8

Sasha is half as old as Saloni was when Sasha was 21 years old. If Saloni is now 36 years old, find Sasha's current age.
When Sasha was 21 years old, that was 10 years ago
At that time, Saloni was 36 - 10 = 26 years old
Now Sasha is half of 26
Therefore, Sasha's current age = 26 ÷ 2 = 13

Question 9

Tripti is half as old as Indira was when Tripti was 11 years old. If Indira is now 44 years old, find Tripti's current age.
When Tripti was 11 years old, that was 16 years ago
At that time, Indira was 44 - 16 = 28 years old
Now Tripti is half of 28
Therefore, Tripti's current age = 28 ÷ 2 = 14

Question 10

Joshua is half as old as Tarun was when Joshua was 20 years old. If Tarun is now 37 years old, find Joshua's current age.
When Joshua was 20 years old, that was 9 years ago
At that time, Tarun was 37 - 9 = 28 years old
Now Joshua is half of 28
Therefore, Joshua's current age = 28 ÷ 2 = 14

Question 11

Paridhi is half as old as Lalita was when Paridhi was 25 years old. If Lalita is now 36 years old, find Paridhi's current age.
When Paridhi was 25 years old, that was 6 years ago
At that time, Lalita was 36 - 6 = 30 years old
Now Paridhi is half of 30
Therefore, Paridhi's current age = 30 ÷ 2 = 15

Question 12

Samuel is half as old as Rakhi was when Samuel was 18 years old. If Rakhi is now 40 years old, find Samuel's current age.
When Samuel was 18 years old, that was 6 years ago
At that time, Rakhi was 40 - 6 = 34 years old
Now Samuel is half of 34
Therefore, Samuel's current age = 34 ÷ 2 = 17

Question 13

Willow is half as old as Oscar was when Willow was 14 years old. If Oscar is now 56 years old, find Willow's current age.
When Willow was 14 years old, that was 24 years ago
At that time, Oscar was 56 - 24 = 32 years old
Now Willow is half of 32
Therefore, Willow's current age = 32 ÷ 2 = 16

Question 14

Vandana is half as old as Sunil was when Vandana was 19 years old. If Sunil is now 43 years old, find Vandana's current age.
When Vandana was 19 years old, that was 5 years ago
At that time, Sunil was 43 - 5 = 38 years old
Now Vandana is half of 38
Therefore, Vandana's current age = 38 ÷ 2 = 19

Question 15

Rashmi is half as old as Durga was when Rashmi was 22 years old. If Durga is now 40 years old, find Rashmi's current age.
When Rashmi was 22 years old, that was 8 years ago
At that time, Durga was 40 - 8 = 32 years old
Now Rashmi is half of 32
Therefore, Rashmi's current age = 32 ÷ 2 = 16

Question 16

Jagdish is half as old as Ankit was when Jagdish was 13 years old. If Ankit is now 28 years old, find Jagdish's current age.
When Jagdish was 13 years old, that was 10 years ago
At that time, Ankit was 28 - 10 = 18 years old
Now Jagdish is half of 18
Therefore, Jagdish's current age = 18 ÷ 2 = 9

Question 17

Louis is half as old as Nevaeh was when Louis was 14 years old. If Nevaeh is now 38 years old, find Louis's current age.
When Louis was 14 years old, that was 8 years ago
At that time, Nevaeh was 38 - 8 = 30 years old
Now Louis is half of 30
Therefore, Louis's current age = 30 ÷ 2 = 15

Question 18

Paridhi is half as old as Disha was when Paridhi was 14 years old. If Disha is now 30 years old, find Paridhi's current age.
When Paridhi was 14 years old, that was 10 years ago
At that time, Disha was 30 - 10 = 20 years old
Now Paridhi is half of 20
Therefore, Paridhi's current age = 20 ÷ 2 = 10

Question 19

Silas is half as old as Shubham was when Silas was 18 years old. If Shubham is now 47 years old, find Silas's current age.
When Silas was 18 years old, that was 15 years ago
At that time, Shubham was 47 - 15 = 32 years old
Now Silas is half of 32
Therefore, Silas's current age = 32 ÷ 2 = 16

Question 20

Payal is half as old as Prithvi was when Payal was 14 years old. If Prithvi is now 39 years old, find Payal's current age.
When Payal was 14 years old, that was 9 years ago
At that time, Prithvi was 39 - 9 = 30 years old
Now Payal is half of 30
Therefore, Payal's current age = 30 ÷ 2 = 15
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