Using Symbols for Unknown Numbers
Name: _______________________________
Date: _______________________________
Instructions: Work out what number each shape or letter represents. Show your thinking!
Part A: Find the Missing Numbers
1. ⭐ + 5 = 12 ⭐ = ________
2. 8 + ❤️ = 15 ❤️ = ________
3. 20 - 🔵 = 13 🔵 = ________
4. 🔺 + 7 = 16 🔺 = ________
5. 25 - ⬛ = 10 ⬛ = ________
6. 14 + 🌙 = 22 🌙 = ________
Part B: Using Letters
7. a + 6 = 11 a = ________
8. 9 + b = 17 b = ________
9. 18 - c = 9 c = ________
10. d + 12 = 20 d = ________
11. 30 - e = 15 e = ________
12. f + 8 = 19 f = ________
Part C: Challenge Questions
13. If ⭐ = 7, what is ⭐ + ⭐? Answer: ________
14. If 🔵 + 🔵 = 16, what is 🔵? Answer: ________
15. If m + 4 = 13, what is m + 5? Answer: ________