Two, four, six, eight...can your scholars count by twos? They fill in missing numbers in 18 number sequences, all of which require skip counting by twos. Some begin on an even number and others odd, however all of these are whole numbers. What do learners notice about this pattern? Lead them to explore the way odd numbers stay odd and even numbers stay even when counting by twos. Why is this? 

Common Core

1.OA.C.5