Grade 1 Math Lessons
Grade 1 turns counting into useful arithmetic. Learners build fluency within 20, organize numbers into tens and ones, compare measurable objects, read simple data displays, and describe the shapes they see every day.
Subjects for Grade 1
Geometry
Name, sort, draw, and combine circles, triangles, rectangles, cubes, cones, and other familiar shapes while using position words accurately.
Open Geometry →Algebra
Treat the equals sign as a balance, find missing numbers in addition stories, and continue simple repeating or growing patterns.
Open Algebra →Number & Operations
Count to 120, compare two-digit numbers, understand tens and ones, and add or subtract within 20 using pictures and strategies.
Open Number & Operations →Measurement & Data
Compare lengths, order objects by size, tell time to the hour and half-hour, and organize classroom information into categories.
Open Measurement & Data →Statistics & Probability
Ask a simple question, collect answers with tallies, and read picture graphs or bar graphs to decide which category has more or fewer.
Open Statistics & Probability →