Florida B.E.S.T. MA.6.NSO.4.2
The Standard
Apply and extend previous understandings of operations with whole numbers to multiply and divide integers with procedural fluency.
Florida B.E.S.T. Standards for Mathematics
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students multiply and divide integers accurately and efficiently. They use sign rules, work with absolute values, and connect multiplication facts to related division facts.
What Mastery Looks Like
- Students accurately multiply and divide positive and negative integers without counters or a calculator. They determine the sign first, compute with absolute values, and check division using multiplication.
Common Misconceptions
- Students may assume a negative answer always results when either factor is negative. They may also confuse multiplication and division sign rules with addition rules or think division by zero is allowed.
How to Assess It
- Give an exit ticket with four problems: −7 × 6, −8 × −5, 72 ÷ −9, and −63 ÷ −7. Ask students to solve each and explain one sign choice.
Lesson moves
Ways to Teach It
Give pairs red and black counters to model equal groups, then connect each model to a signed multiplication equation.
Ask students to explain why a negative divided by a negative has a positive quotient using a related multiplication fact.
Play Integer Sign Sprint with operation cards and integer cards, awarding one point for the correct sign and one for the value.
Use gains and losses in a game score to write and solve integer multiplication and division problems.
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Printable MA.6.NSO.4.2 Worksheet
A ready-to-print activity worksheet aligned to MA.6.NSO.4.2, with an answer key for the teacher on its own page. No account needed.
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Related Standards
- MA.6.NSO.2.2
Extend previous understanding of multiplication and division to compute products and quotients of positive fractions by positive fractions, including mixed numb...
- MA.5.FR.2.2
Extend previous understanding of multiplication to multiply a fraction by a fraction, including mixed numbers and fractions greater than 1, with procedural reli...
- MA.7.NSO.2.2
Add, subtract, multiply and divide rational numbers with procedural fluency.
- MA.6.NSO.4.1
Apply and extend previous understandings of operations with whole numbers to add and subtract integers with procedural fluency.
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