1
Lock Only the Column
Free
A2 holds a price that should keep its column locked but row free when copied across. B1 holds a multiplier. Write a formula in B2 using $A2 that multiplies A2 by B1.
Show the solution
Lock only the column of A2 with $A2, referencing B1 normally: =$A2*B1
Right — $A2 locks the column (A) but lets the row shift, which is useful when copying a formula sideways across columns.
Expected result in B2: 30
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2
Lock Only the Row
Free
B1 holds a rate that should keep its row locked but column free when copied sideways. A2 holds a value. Write a formula in B2 using B$1 that multiplies A2 by the row-locked B1.
Show the solution
Lock only the row of B1 with B$1: =A2*B$1
Good — B$1 locks the row (1) but lets the column shift, which matters when copying a formula across columns.
Expected result in B2: 32
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3
Mixed Reference for a Row Header Multiplier
Free
A2 holds a quantity in row 2. B1 holds a per-unit rate in row 1. Write a formula in B2 that multiplies A2 (column-locked) by B1 (row-locked).
Show the solution
Use $A2 for the column-locked quantity and B$1 for the row-locked rate: =$A2*B$1
Right — locking A's column and B1's row is the classic pattern for building a small multiplication table that copies correctly in both directions.
Expected result in B2: 72
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4
Mixed Reference Comparison
A2 holds a value with its column that should stay locked. B1 holds a threshold with its row that should stay locked. Write a formula in B2 returning TRUE if $A2 exceeds B$1.
Solution and instant grading: open it in the practice app (use one of your 20 free picks, or Pro).
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5
Mixed Reference Subtraction
A2 holds a column-locked base value. B1 holds a row-locked deduction. Write a formula in B2 for $A2 minus B$1.
Solution and instant grading: open it in the practice app (use one of your 20 free picks, or Pro).
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6
Mixed Reference Division
A2 holds a column-locked total. B1 holds a row-locked divisor. Write a formula in B2 for $A2 divided by B$1.
Solution and instant grading: open it in the practice app (use one of your 20 free picks, or Pro).
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7
Mixed Reference Sum
A2 holds a column-locked amount. B1 holds a row-locked addition. Write a formula in B2 that adds $A2 and B$1.
Solution and instant grading: open it in the practice app (use one of your 20 free picks, or Pro).
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8
Mixed Reference for Percentage Table
A2 holds a column-locked base amount. B1 holds a row-locked percentage as a decimal. Write a formula in B2 for the percentage of the base.
Solution and instant grading: open it in the practice app (use one of your 20 free picks, or Pro).
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9
Fully Locked vs Mixed Comparison
A2 holds a column-locked value that varies by row. B1 holds a completely fixed constant. Write a formula in B2 that adds $A2 to the fully-locked $B$1.
Solution and instant grading: open it in the practice app (use one of your 20 free picks, or Pro).
Try it in the live spreadsheet →
10
Mixed Reference for Row-Locked Base
A2 holds a row-locked category label's numeric value in column A (locked). B1 holds a per-row-locked rate. Write a formula in B2 multiplying $A2 by B$1.
Solution and instant grading: open it in the practice app (use one of your 20 free picks, or Pro).
Try it in the live spreadsheet →