Equation Balance Rally Coach Worksheet
Rally Coach Grade 3–4 Math
Equation Balancer Showdown
Find unknown numbers using friendly numbers & compensation.
Partner A:
Partner B:
Date:
Rally Coach Protocol: Solver explains thinking aloud & shows work. Coach checks, praises, & initials!
Swap Each Round
Round 1 • Partner A Solves Open-Ended
1. What unknown number makes this equation true?
584 + 38 = 600 +
Show your compensation strategy (give & take) or thinking below:
Final Answer:
Coach B Initials:
Round 2 • Partner A Solves Multiple Choice
3. What unknown number makes this equation true?
398 + 76 = 400 +
Show your work:
A) 72
B) 74
C) 78
D) 84
Correct Letter:
Coach B Initials:
Round 1 • Partner B Solves Open-Ended
2. What unknown number makes this equation true?
495 + 47 = 500 +
Show your compensation strategy (give & take) or thinking below:
Final Answer:
Coach A Initials:
Round 2 • Partner B Solves Multiple Choice
4. What unknown number makes this equation true?
687 + 55 = 700 +
Show your work:
A) 42
B) 52
C) 68
D) 70
Correct Letter:
Coach A Initials:
Coaching Tip: "If you add 16 to 584 to make 600, what must you subtract from 38 to keep the sum balanced?"
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Rally Coach Subtraction & Unknown Numbers
Equation Balancer Showdown
Solve for the unknown start value or missing number using inverse operations & compensation.
Level 2: Test Practice Keep coaching each other!
Missing Start Strategy: If ◻ − B = C, find the unknown total by adding: ◻ = C + B!
Rounds 3 & 4
Round 3 • Partner A Solves Standardized Item
5. What is the missing number in this equation?
− 364 = 477
Show your work below:
A) 731
B) 741
C) 831
D) 841
Correct Letter:
Coach B Initials:
Round 4 • Partner A Solves Standardized Test Item
7. What is the missing number in this equation?
786 + 55 = 100 +
Show your work below:
A) 731
B) 741
C) 831
D) 841
Correct Letter:
Coach B Initials:
Round 3 • Partner B Solves Standardized Item
6. What is the missing number in this equation?
− 453 = 388
Show your work below:
A) 731
B) 741
C) 831
D) 841
Correct Letter:
Coach A Initials:
Round 4 • Partner B Solves Standardized Test Item
8. What is the missing number in this equation?
562 + 79 = + 40
Show your work below:
A) 591
B) 601
C) 641
D) 701
Correct Letter:
Coach A Initials:
Partner Debrief & Team Sign-Off Rate your teamwork today
1. Partner A Coach Feedback:
Great Coach! Good Tips Needs Focus
2. Partner B Coach Feedback:
Great Coach! Good Tips Needs Focus