Maryland Math 3.NOS.B.3

Math3rd GradeNumber and Operation Sense

The Standard

Represent and interpret whole-number quotients (0-10) as dividing an amount into known number of groups (partitive) or as dividing an amount into groups of known size (quotative). Explain the relationship between the quotient, divisor, and dividend.

Maryland College and Career Ready Standards for Mathematics (2025) · REPRESENT AND INTERPRET PROBLEMS INVOLVING MULTIPLICATION AND DIVISION.

Teacher's field guide

What This Standard Means

What Students Need to Do

Students share objects equally among a set number of groups or make groups of a set size. They tell whether the answer counts groups or objects in each group. They check their answer with multiplication.

What Mastery Looks Like

Given 24 counters and 6 bowls, a student puts 4 counters in each bowl. Given groups of 6 counters, the student makes 4 groups. They explain that 6 × 4 = 24 checks both models.

Common Misconceptions

Students may say the answer always means objects in each group, even when it counts the groups. Some make unequal groups. Others confuse 0 ÷ 4 with division by 0.

How to Assess It

Exit ticket: Draw two models for 18 ÷ 3, one with 3 groups and one with 3 in each group. Label what 6 counts in each drawing and write a multiplication check.

Lesson moves

Ways to Teach It

  1. Give pairs 24 counters and 6 cups; have them share the counters among the cups, then remake the counters into groups of 6.

  2. Ask students to write how the meaning of 4 changes between 24 shared into 6 groups and 24 arranged in groups of 6.

  3. Use cards showing division facts and group drawings; have students match each fact to both ways of grouping and explain the answer.

  4. Put 30 pencils on a table; ask how many go in each of 6 boxes, then how many boxes hold 6 pencils each.

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Printable 3.NOS.B.3 Worksheet

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