Maryland Math 1.DS.A.1.b

Math1st GradeReasoning with Data and Statistics

The Standard

1.DS.A.1: Ask and answer questions by collecting, organizing and summarizing data.

Collect and organize categorical data (into up to three categories) using surveys or observations.

Maryland College and Career Ready Standards for Mathematics (2025) · REPRESENT AND INTERPRET DATA.

Teacher's field guide

What Students Need to Do: Students ask a survey question or observe items. They sort the answers or observations into up to three named groups and record each one once.
What Mastery Looks Like: A student labels the groups, puts each answer in the right group, and counts the marks. The group totals add up to the number of answers collected.
Common Misconceptions: Some students put one answer in two groups or leave out answers that repeat. Others count the choices on the survey instead of counting how many people picked each choice.
How to Assess It: Ask students to survey four classmates: “Which fruit would you pick: an apple, a grape, or a pear?” Have them make a labeled tally chart with one mark per answer.

Lesson moves

Give pairs 12 red, blue, and yellow buttons to sort by color, then have them record each pile with tally marks.
After a pet survey, ask, “How did you make sure each answer went in only one group?”
Play tally relay: read eight fruit choices aloud, one at a time, while pairs record each choice and check their totals.
Have students ask ten classmates which drink they would choose for a class snack, water, milk, or juice, then tally their choices.

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