Students work in small groups or pairs to practice counting and more/less than. From Illustrative Mathematics. 

Students play tic-tac-toe in pairs to practice writing numbers 0-20. From Illustrative Mathematics.

Students count to tell the number of objects and record their answers. From Illustrative Mathematics.

Students play the "go fish" card game with teen numbers (11-19). From Illustrative Mathematics.

Students work alone or in pairs to practice adding numbers within ten and becoming familiar with a ten frame. From Illustrative Mathematics.

Students work with counters to record number sentences in a book. This particular version helps develop fluency with addition facts up to 5 but can easily be modified to My Book of 4 ,etc. From Illustrative Mathematics.

This task supports the development of number sense and the understanding of relationships between numbers. From Illustrative Mathematics.

Students work in pairs to play a card game that requires them to explain what is similar or different between two shapes. From Illustrative Mathematics. 

Students work alone or in groups to decompose teen numbers using 10-frames and a number equation. From Illustrative Mathematics.

Students compare the length of everyday classroom items to the length of their shoe and record their findings. From Illustrative Mathematics.

Students compare the length and weight of objects using a balance scale. This task may work best as a whole group/teacher led activity with students who already have some experience with the concepts of length and weight. From Illustrative Mathematics.

Students practice sorting items or cards in multiple ways. From Illustrative Mathematics.