Florida B.E.S.T. MA.2.AR.1.1

Math2nd GradeSolve addition problems with sums between 0 and 100 and related subtraction problems.

The Standard

Solve one- and two-step addition and subtraction real-world problems.

Florida B.E.S.T. Standards for Mathematics

Teacher's field guide

What Students Need to Do: Students make sense of story situations with one or two changes. They choose addition or subtraction for each step, calculate within 100, and state the answer with a label.
What Mastery Looks Like: A student identifies what is known, what is unknown, and which operation fits each step. They solve accurately, show equations or a model, and label the final answer.
Common Misconceptions: Students may combine every number they see, even when subtraction is needed. They may solve only the first step, reverse subtraction order, or omit the answer label.
How to Assess It: Give this exit ticket: “Mia has 35 beads. She gives away 12, then gets 18 more. How many beads does she have now?” Ask for equations and a labeled answer.

Lesson moves

Give pairs 60 counters and story cards, then have them act out each event and record an equation after every step.
Ask, “How do you know whether to add or subtract?” Students explain using the action in a sample story.
Play Solve and Swap: students solve a story card, trade with a partner, and check each other’s equations and labels.
Use a classroom supply order: students find totals after adding new pencils and subtracting pencils given to groups.

Free download

$Preview of the MA.2.AR.1.1 printable worksheet$

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