This Math Warm Up resource for Year 3 and 4 is a fabulous set of 10 open-ended math questions and 10 problem solving brain teasers. Great for warm ups, entry tasks, tuning in activities, early finishers or exit tasks. Use as whole class discussions or as individual tasks. This resource includes both a powerpoint presentation and pdf document.Topics covered in these open ended questions & problem solving brain teasers include:Place ValueOdd and EvenRoundingAdditionSubtractionMultiplicationWhat