More or less than questions and answers. Runs on a 5 min timer. Ideal warm up; practice or assessment. Aligned with Common Core State Standards: 1.NBT.5, 1.NBT.6, Number and Operations in Base Ten.
Students complete ten problems in three minutes--subtracting fractions with like terms, and simplifying where possible. Works as a starter activity or quick quiz.
A series of tasks where the object is to work out 50% of a variety of numbers. Questions and answers are on a timer. These activities are perfect as a starter or a practice.