Four separate activities where students must subtract either 500 or 1000 from a given number. Running on a two minute timer, these tasks are ideal for use as a starter or wrap up, and work as both mental and oral activities.

20 random subtract 500 from questions to be answered in 2 minutes, with answers slide. Comes with sound effects. Ideal starter activity.

20 random subtract 100 from questions to be answered in 2 minutes, with answers slide. Comes with sound effects. Ideal starter activity for mental or oral work.

20 random subtract 100 from questions to be answered in 2 minutes, with answers slide. Comes with sound effects. Ideal starter activity for mental or oral work.

20 random subtract 10 from questions to be answered in 2 minutes, with answers slide. Comes with sound effects. Ideal starter activity for mental or oral work.

Quick "10-minute" warm-up activity.

20 random subtract 10 from questions to be answered in 2 minutes, with answers slide. Comes with sound effects. Ideal starter activity for mental or oral work.

Six separate activities where pupils must subtract either 10, 50 or 100 from a given number. Running on a two minute timer, these tasks are can be used as a starter or work as both mental math drill and explanation activities.

Two separate activities where students must add 1000 to a given number. Running on a two minute timer

(20) adding 1000 questions and answers slide show, with sound effects. Timed for 2 minutes. Could be mental or oral starter activity

(20) adding 500 questions and answers slide show, with sound effects. A 2 minute test, ideal for a mental or oral starter activity

(20) adding 500 questions and answers slide show, with sound effects. A 2 minute test, ideal for a mental or oral starter activity

(20) adding 100 questions and answers slide show, with sound effects. A 2 minute test, ideal for a mental or oral starter activity

place value adding 100 or 500

(20) adding 50 questions and answers slide show, with sound effects. A 2 minute test, ideal for a mental or oral starter activity

(20) adding 50 to questions and answers slide show, with sound effects. A 2 minute test, ideal for a mental or oral starter activity

20 adding 10 questions and answers slide show, with sound effects. A 2 minute test, ideal for a mental or oral starter activity

Four separate activities where students must add either 10 or 50 to a given number. Running on a two minute timer, these tasks are ideal for use as a starter or wrap up, and work as both mental and oral activities.

20 questions and answers slide show; with sound effects. A 2 minute test; ideal for a mental or oral warm up activity. Aligned with Common Core State Standards: 3.OA.1, Operations and Algebraic Thinking; 4.NBT.5, Number and Operations in Base Ten; 5.NBT.5; 6.EE.1.

Questions and answers about square roots on a slide show. This is a timed two minute test, ideal as a warm up activity. Could also be used as an exit slip to a lesson