I need help with thte following question (Project) Exercises 9 22 through 9 24 developed a computer assisted instruction program to teach an elementary school student multiplication This exercise suggests enhancements to that program a) Modify the program to allow the user to enter a grade level capability A grade level of 1 means to use only single digit numbers in the problems, a grade level of 2 means to use numbers as large as two digits, and so on b) Modify the program to allow the user to pick the type of arithmetic problems he or she wishes to study An option of 1 means addition problems only, 2 means subtraction problems only, 3 means multiplication problems only, 4 means division problems only and 5 means to intermix randomly problems of all these types Here is my code so far HW3 Q11a var difficulty window prompt( Enter in the grade level 1 for Single Digit Numbers Only 2 for Double Digit Numbers Only 3 for Triple Digit Numbers Only ) var newdifficulty parseInt(difficulty) var number var n if(newdifficulty 1) number 10 n 0 else if(newdifficulty 2) number 100 n 10 else number 1000 n 100 var answer false var total 0 select type of question var problemChoice window prompt( Select problems you want 1 Addition 2 Subtraction 3 Multiplication 4 Division 5 Random mix ) var newproblemchoice parseInt(problemChoice) var check 0 for(var i 0 i 3 i ) var x Math floor(Math random() number n) var y Math floor(1 Math random() number n) var guess questions(x, y) guess Number(guess) var count 0 var choice 0 while(answer false) if(newproblemchoice 1) choice window prompt( What is x plus y) var newchoice parseInt(choice) if (newchoice (x y)) if(count 0) check answer true var c Math floor(Math random() 4) window alert(correct()) else answer false var ic Math floor(Math random() 4) window alert(wrong()) else if(newproblemchoice 2) choice window prompt( What is x minus y) var newchoice parseInt(choice) if (newchoice (x y)) if(count 0) check answer true var c Math floor(Math random() 4) window alert(correct()) else answer false var ic Math floor(Math random() 4) window alert(wrong()) else if(newproblemchoice 3) choice window prompt( What is x times y) var newchoice parseInt(choice) if (newchoice (x y)) if(count 0) check answer true var c Math floor(Math random() 4) window alert(correct()) else answer false var ic Math floor(Math random() 4) window alert(wrong()) else if(newproblemchoice 4) choice window prompt( What is x divided y) var newchoice parseInt(choice) var res (x y) toFixed(2) var numberofdecimals 2 Math round( 737 1070 100) 100 var newres parseInt(res) if (newchoice newres) if(count 0) check answer true var c Math floor(Math random() 4) window alert(correct()) else answer false var ic Math floor(Math random() 4) window alert(wrong()) else var diff Math floor(Math random() 4) switch(Number(diff)) case 0 choice window prompt( What is x plus y) var newchoice parseInt(choice) break case 1 choice window prompt( What is x minus y) var newchoice parseInt(choice) break case 2 choice window prompt( What is x times y) var newchoice parseInt(choice) break case 3 choice window prompt( What is x divide y) var newchoice parseInt(choice) break count answer false sentinel total (check 3) 100 total check 10 document write( Your total score is total) if(total

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Question: I need help with thte following question (Project) Exercises 9.22 through 9.24 developed a computer-assisted instruction program to teach an elementary-school student multiplication. This exercise

I need help with thte following question

(Project) Exercises 9.22 through 9.24 developed a computer-assisted instruction program to teach an elementary-school student multiplication. This exercise suggests enhancements to that program. a) Modify the program to allow the user to enter a grade-level capability. A grade level of 1 means to use only single-digit numbers in the problems, a grade level of 2 means to use numbers as large as two digits, and so on. b) Modify the program to allow the user to pick the type of arithmetic problems he or she wishes to study. An option of 1 means addition problems only, 2 means subtraction problems only, 3 means multiplication problems only, 4 means division problems only and 5 means to intermix randomly problems of all these types.

Here is my code so far

HW3_Q11a

I got most of it working but i am not sure how to handle the last case which needs to generate random questions with random operations

please help thanks

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