A series of tasks with random inverse/missing link subtraction questions. All are timed two minute presentations, ideal when used as a starter activity or mental Math test.

20 random inverse/mising link subtraction questions, with answers slide. A 2 min handout ideal as a starter activity or mental math test.

20 random inverse/mising link subtraction questions, with answers slide. A 2 min handout ideal as a starter activity or mental math test.

20 random inverse/mising link addition and subtraction questions; with answers slide. A 2 min handout ideal as a starter activity or mental math test. Aligned with Common Core State Standards: 3.NBT.2, Number and Operations in Base Ten; 4.NBT.4, Number and Operations in Base Ten.

20 random inverse/mising link addition and subtraction questions; with answers slide. A 2 min handout ideal as a starter activity or mental math test.

20 random inverse/missing link addition and subtraction questions, with answers slide. A 2 min worksheet ideal as a starter activity or mental math test.

20 random inverse/missing addend and subtraction questions, with answers slide. A 2 minute handout ideal as a starter activity or mental math test.

20 random inverse/missing link addition questions, with answers slide. A 2 min worksheet ideal as a starter activity or mental math test.

20 random inverse/mising link addition questions, with answers slide. A 2 min worksheet ideal as a starter activity or mental math test.

A series of tasks with random inverse/missing link addition questions. All are timed two minute presentations, ideal when used as a starter activity or mental Maths test.

20 random inverse/mising link addition questions, with answers slide. A two minute handout ideal as a starter activity or mental math test.

A series of tasks with random inverse/missing link addition and subtraction questions. All are two min presentations, ideal when used as a starter activity or mental Math test.

A 3 minute timed test with 20 questions of subtracting 3 and 4 digit numbers. Answers slide and sound effects. Ideal starter activity or mental/oral maths test.

A 3 minute timed test with 20 questions of subtracting 3 and 4 digit numbers. Answers slide and sound effects. Ideal starter activity or mental/oral maths test.

Six separate activities where students must subtract using their calculators. Running on a three minute timer, these tasks are ideal for use as a starter, wrap up or test.

A 3 minute timed test with 20 questions of subtracting 3 and 3 digit numbers. Answers slide and sound effects. Ideal starter activity or mental/oral maths test.

A 3 minute timed test with 20 questions of subtracting 2 and 3 digit numbers. Answers slide and sound effects. Ideal srarter activity or mental/oral math test.

A 3 minute timed test with 20 questions of subtracting 2 and 3 digit numbers. Answers slide and sound effects. Ideal starter activity or mental/oral maths test.

A 3 minute timed test with 20 questions of adding 3 and 4 digit numbers. Answers slide and sound effects. Ideal srarter activity or mental/oral math test.

Practice for grade 3 and 4, regrouping with addition up to 4 places.