Curriculum / Math / 1st Grade / Unit 1: Adding and Subtracting Within 10 / Lesson 3

Adding and Subtracting Within 10

Lesson 3

Math

Unit 1

1st Grade

Lesson 3 of 13

Objective

Count and represent a number of objects within 20 with a pictorial model and a written numeral.

Student-Facing

I can count and represent objects.

Lesson Map

Topic A: Building a Math Community

Lesson

Count objects and make 5 in a variety of ways.

Standards

1.OA.C.6

Lesson

Add and subtract within 5 using number bonds.

Standards

1.OA.C.6

Lesson

Count and represent a number of objects within 20 with a pictorial model and a written numeral.

Standards

1.NBT.A.1

Topic B: Strategies to Add and Subtract Within 10

Lesson

Count on 1 or 2 to add within 10.

Standards

1.OA.C.5

Lesson

Count back 1 or 2 to subtract within 10.

Standards

1.OA.C.5

Lesson

Understand the commutative property of addition.

Standards

1.OA.B.3

Lesson

Add numbers within 10 using doubles facts.

Standards

1.OA.C.61.OA.D.7

Lesson

Solve put together/take apart with both addends unknown story problems.

Standards

1.OA.C.6

Topic C: Story Problems Within 10

Lesson

Solve add to/take from with result unknown story problems using objects and words.

Standards

1.OA.A.1

Lesson

Solve add to/take from with result unknown story problems using objects, pictures, and words.

Standards

1.OA.A.1

Lesson

Solve add to/take from with result unknown story problems using objects, pictures and words and write a related equation.

Standards

1.OA.A.1

Lesson

Solve put together/take apart with total unknown story problems using objects, pictures, and words.

Standards

1.OA.A.1

Lesson

Solve put together/take apart story problems with total unknown using objects, pictures and words and write a related equation.

Standards

1.OA.A.11.OA.B.3

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