Complete the formula to sum values in cells A1 to A5.
=SUM([1])The SUM function adds all numbers in the range A1 to A5.
Complete the formula to calculate the average of cells B1 to B10.
=AVERAGE([1])The AVERAGE function calculates the mean of the numbers in the range B1 to B10.
Fix the error in the formula to count how many cells in C1 to C20 are greater than 10.
=COUNTIF([1], ">10")
The COUNTIF function needs a range like C1:C20 to check each cell.
Fill both blanks to create a formula that sums values in D1 to D10 only if they are greater than 5.
=SUMIF([1], [2])
The SUMIF function sums cells in D1:D10 that meet the condition >5.
Fill both blanks to create a formula that counts cells in E1 to E15 that are equal to 100.
=COUNTIF([1], [2])
The COUNTIF function uses the range E1:E15 and the condition "=100" to count cells equal to 100.