Next in Line is a free daily number sequence puzzle. A line of numbered tickets follows a rule, and one ticket is blank. Find the rule and type the missing number. Five lines a day, harder from Monday to Friday.
Fair Share is a free daily number puzzle. A team has a pile of tasks, each with its hours. Share them out so that everyone works exactly the same hours. Two people on Monday, four people and twelve tasks on Friday.
On Target is a free daily number puzzle. Join number tiles with plus, minus, times and divide until one tile shows the target. Three targets every day, from two easy steps on Monday to four tricky ones on Friday.
Ballpark is a free daily estimation game. Five quick questions: how many dots, roughly what is 38 × 52, how many hours are in six weeks. Slide to your best guess and score points for being close. A new round every day, harder each weekday.
Quick Percent is a free daily mental math game. Ten percentage questions about discounts, tax and growth, against the clock. A new round every day, harder each weekday.
Budget Line is a free daily number puzzle. Approve the requests that add up to the budget exactly and keep every rule. A new puzzle every day, harder each weekday.
Cellwise is a free daily number puzzle. Place the number tiles in the sheet so that every SUM, MAX, MIN and COUNTIF formula comes out true. A new puzzle every day, harder each weekday.