SALTA 1st grade

1.OA.1

Strand: Operations and Algebraic Thinking First grade students will represent and solve problems involving addition and subtraction within 20. Standard 1.OA.1 Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions. For example, use objects, drawings, and equations with a symbol for the unknown number to represent the problem.

Topic 1: Understand Addition and Subtraction Pick a Project: • The Early Bird • Citrus Fruit • Log Homes

Topic 1:

• add • sum • plus • equals • equation • parts • whole • difference • subtract • minus • more • compare • fewer • addend

1-1 Add To 1-2 Put Together 1-3 Both Addends Unknown 1-4 Take From

1-5 Compare Situations 3-ACT MATH: Grab a Bite 1-6 More Compare Situations 1-7 Change Unknown 1-8 Practice Adding and Subtracting 1-9 Problem Solving: Construct Arguments

Topic 1 Manipulatives: •

Connecting Cubes

Counters

•

Assessment Options: Topic 1 Assessment – Understand Addition and Subtraction Topic 1 Performance Assessment – Understand Addition and Subtraction Team Created Assessment

Assessment Tasks – Topic 1

Procedural Check

Application Task

1.OA.1

Color the number of fingers shown from left to right. Then fill in the parts. Make the number of fingers on one hand a part.

Kate has 4 markers. Jill has 9 markers. How many fewer markers does Kate have than Jill? Write a number sentence that matches this story.

(DOK 2)

(DOK 1)

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