Focuses on identifying and representing numbers 20-100 using visual base-ten models.

Focuses on bar graphs and comparing data. Students analyze categories and count collections of mixed coins.

Focuses on picture graphs and dimes. Students interpret data with 1:1 correspondence and count mixed coins.

Focuses on tally charts and pennies/nickels. Students learn to read tallies and identify coins to 'buy' items from the market.

Students will solve word problems involving three addends, focusing on grouping numbers to find 'friendly' sums.

Students will explore the meaning of the equal sign by balancing equations where both sides contain operations.

Students will learn to solve for missing addends and subtrahends within 20 using counting-on and related facts strategies.

A preschool-focused lesson based on 'Benny's Pennies' by Pat Brisson, targeting one-to-one correspondence and rhyming through hands-on play.

Challenges students to choose the correct operation (addition or subtraction) based on word problem context. Includes problems within 20 and uses ten-frames for modeling.

Focuses on subtraction word problems (separating) by marking 'X's on pre-drawn images. Students transition from visual crossing-out to writing subtraction number sentences.

Focuses on addition word problems (joining) using farm-themed stories. Students practice drawing pictures and using ten-frames to represent addition equations.