**Resources**

**1st Grade**

1.OA.A – Represent and solve problems involving addition and subtraction.

At The Park (Illustrative Mathematics)

Boys and Girls, Variation 1 (Illustrative Mathematics)

Boys and Girls, Variation 2 (Illustrative Mathematics)

Maria’s Marbles (Illustrative Mathematics)

Sharing Markers (Illustrative Mathematics)

Finding a Chair (Illustrative Mathematics)

The Pet Snake (Illustrative Mathematics)

20 Tickets (Illustrative Mathematics)

Field Day Scarcity (Illustrative Mathematics)

Link-Cube Addition (Illustrative Mathematics)

Measuring Blocks (Illustrative Mathematics)

The Very Hungry Caterpillar (Illustrative Mathematics)

Using The Number Line to Compare (Illuminations)

Add To: Change Unknown (to 20) – (K-5 Teaching Resources)

Add To: Start Unknown (to 20) – (K-5 Teaching Resources)

Take From: Change Unknown (to 20) – (K-5 Teaching Resources)

Take From: Start Unknown (to 20) – (K-5 Teaching Resources)

I Have…Who Has? Up to 30 (K-5 Teaching Resources)

1.OA.B. Understand and apply properties of operations and the relationship between addition and subtraction.

Fact Families (Illustrative Mathematics)

Fact Families With Pictures (Illustrative Mathematics)

Domino Addition (Illustrative Mathematics)

Cave Game Subtraction (Illustrative Mathematics)

Balancing Equations (Illuminations)

Turn Around Dominoes (K-5 Teaching Resources)

Three Letter Addends (K-5 Teaching Resources)

1.OA.C. Add and subtract within 20.

$20 Dot Map (Illustrative Mathematics)

Making A Ten (Illustrative Mathematics)

Seeing Doubles (Illuminations)

Finding Fact Families (Illuminations)

Some Special Sums (Illuminations)

Four in a Row Subtraction (K-5 Teaching Resources)

1.OA.D. Work with addition and subtraction equations.

Valid Equalities (Illustrative Mathematics)

Using Lengths to Represent Equality (Illustrative Mathematics)

Equality Number Sentences (Illustrative Mathematics)

Finding The Missing Number (Illustrative Mathematics)

Kiri’s Mathematics Match Game (Illustrative Mathematics)

1.NBT.A. Extend the counting sequence.

Counting Circles, Part 2 (Illustrative Mathematics)

“Crossing the Decade” Concentration (Illustrative Mathematics)

Start/Stop Counting, Part 2 (Illustrative Mathematics)

Hundred Chart Digit Game (Illustrative Mathematics)

Number of the Day (Illustrative Mathematics)

Missing Number Grids (K-5 Teaching Resources)

1.NBT.B. Understand place value.

Roll & Build (Illustrative Mathematics)

Ordering Numbers (Illustrative Mathematics)

1.MD.A. Measure lengths indirectly and by iterating length units.

Making a Clock (Illustrative Mathematics)

How Long? (Illustrative Mathematics)

Measure Me (Illustrative Mathematics)

Growing Bean Plants (Illustrative Mathematics)

Favorite Ice Cream Flavor (Illustrative Mathematics)

Weather Graph Data (Illustrative Mathematics)

Properties Everywhere (Illuminations)

1.G.A

Tangram Puzzles (Illuminations)

**2nd Grade**

2.OA.A. Represent and solve problems involving addition and subtraction.

A Pencil and a Sticker (Illustrative Mathematics)

Add To: Change Unknown Problems (K-5 Teaching Resources)

Add To: Start Unknown Problems (K-5 Teaching Resources)

Take From: Change Unknown Problems (K-5 Teaching Resources)

Take From: Start Unknown Problems (K-5 Teaching Resources)

2.OA.B. Add and subtract within 20.

Building Toward Fluency (Illustrative Mathematics)

Hitting The Target Number (Illustrative Mathematics)

Some Special Sums (Illuminations)

2.OA.C. Work with equal groups of objects to gain foundations for multiplication.

Delayed Gratification (Illustrative Mathematics)

Red and Blue Tiles (Illustrative Mathematics)

Counting Dots in Arrays (Illustrative Mathematics)

2.NBT.A. Understand place value.

Regrouping (Illustrative Mathematics)

Three Composing/Decomposing Problems (Illustrative Mathematics)

Bundling/Unbundling (Illustrative Mathematics)

Boxes and Cartons of Pencils (Illustrative Mathematics)

Largest Number Game (Illustrative Mathematics)

Ten $10s make $100 (Illustrative Mathematics)

One, Ten, and One Hundred More and Less (Illustrative Mathematics)

Looking at Numbers Every Which Way (Illustrative Mathematics)

2.NBT.B. Use place value understanding and properties of operations to add and subtract.

Jamir’s Penny Jar (Illustrative Mathematics)

Saving Money (Illustrative Mathematics)

Toll Bridge Puzzle (Illustrative Mathematics)

Many Ways to do Addition (Illustrative Mathematics)

Using The Number Line to Compare (Illuminations)

2.MD.A. Measure and estimate lengths in standard units.

How Big Is a Foot? by Rolf Myller (Illustrative Mathematics)

2.MD.B. Relate addition and subtraction to length.

Frog and Toad on the Number Line (Illustrative Mathematics)

2.MD.D. Represent and interpret data.

The Longest Walk (Illustrative Mathematics)

Hand Span Measures (Illustrative Mathematics)

2.G.A. Reason with shapes and their attributes.

Polygons (illustrative Mathematics)

Representing Half of a Rectangle (illustrative Mathematics)

Which Pictures Represent One Half? (Illustrative Mathematics)

Tangram Puzzles (Illuminations)

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