Grade 8 Computer Science — Copying formulas, and references that stay put
Work out what a formula points at once it has been copied, and use a dollar sign to stop a reference moving.
Name: ________________________
1.A dollar sign fixes the part of a reference it stands in front of. Cell H2 holds =H1*$B$1, and is copied across into I2. In the copy, which cell is $B$1 multiplied by?
2.Every one of these formulas sits in row 2 and is copied down into row 3. Match each formula to what the copy reads.
- =A2
- =$A2
- =A2+B2
- =A2*5
- =SUM(A1:A2)
- =A3*5
- =SUM(A2:A3)
- =A3+B3
- =A3
- =$A3
3.Each of these formulas sits in C2 and is copied down into C3. Sort each one by whether the copy reads any differently from the original.
Groups: The copy reads differently · The copy reads exactly the same
- =$A$2+$B$2
- =A2+B2
- =$A$1*3
- =$A2+$B2
- =A2*3
- =A$2+B$2
4.Column B holds a price on every row. One single rate sits in F1. A formula is to be written in C2 and then copied all the way down the column, multiplying each price by that rate. Which formula belongs in C2?
- a) =B2*F1
- b) =$B$2*F1
- c) =$B$2*$F$1
- d) =B2*$F$1
5.Cell A2 holds =A1+B1. The formula is copied into C5, so it has moved both across and down. In the copy, which cell takes the place of A1?
6.Cell A1 holds =B1+C1. The formula is copied down into A2. In the copy, which cell takes the place of B1?
7.A dollar sign fixes the part of a reference it stands in front of. Cell G4 holds =$G$1+G3, and is copied down into G5. In the copy, which cell is added to $G$1?
8.A times-table grid is being built. Column A holds the numbers going down and row 1 holds the numbers going across. One formula is written in B2 and then copied both across and down to fill the whole grid. Which formula belongs in B2?
- a) =A2*B1
- b) =$A$2*$B$1
- c) =$A2*B$1
- d) =A$2*$B1
Answer key — Grade 8 Computer Science — Copying formulas, and references that stay put
- 1. I1
- 2. =A2 → =A3; =$A2 → =$A3; =A2+B2 → =A3+B3; =A2*5 → =A3*5; =SUM(A1:A2) → =SUM(A2:A3)
- 3. =A2+B2 → The copy reads differently; =$A$2+$B$2 → The copy reads exactly the same; =A$2+B$2 → The copy reads exactly the same; =$A2+$B2 → The copy reads differently; =A2*3 → The copy reads differently; =$A$1*3 → The copy reads exactly the same
- 4. d) =B2*$F$1
- 5. C4
- 6. B2
- 7. G4
- 8. c) =$A2*B$1