Below is how the official curriculum organizes it. Each strand will get full lessons like the ones in Grade 1 Mathematics.
Count to 100 by 1s, 2s, 5s and 10s; numbers to 20 in many ways; compare and estimate; add and subtract within 20 using counting on and making ten
Repeating patterns of two to four elements; equality as balance; writing the equal symbol in number sentences
Compare objects by length, mass and capacity; sort shapes by one attribute; build composite 2-D shapes and 3-D objects