# Math MP3-old

MP2

MP4

Operations & Algebraic Thinking (OA) 1.OA.B.4

1.OA.B.4

Understand subtraction as an unknown-addend problem. For example, subtract 10 â€“ 8 by finding the number that makes 10 when added to 8.

Watch This Video

Operations & Algebraic Thinking (OA)

1.OA.B4

IXL Activities

Operations and Algebraic Thinking (OA) Games

Represent and solve problems involving addition and subtraction.

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

Work with addition and subtraction equations.

Number Bonds 10 (Easy)

Combine number balls to make sums of 10.

Number Bonds 20 (Medium)

Combine number balls to make sums of 20.

Number Bonds 30 (Medium-Challenging) Combine number balls to make sums of 30.

Number Bonds 40 (Challenging)

Combine number balls to make sums of 40.

Practice sums and addition facts in this exciting math game.

Practice sums within 20 and addition facts with this game.

Practice sums within 20 and addition facts with this fun-filled math game.

Choose one or more addends. Can you make all 12 monster friends appear?

Move the friendly zogs to the correct sums without being captured.

Choose a target sum (10 to 20) to practice. Place the puzzle piece on the number in the grid.

.

Practice sums of 10 and addition facts by clicking two fur balls that make 10.

Add two-digit numbers correctly to win the race.

Subtraction Games

Island Chase

Practice subtraction facts (within 20) with a fun math game in a tropical setting.

Sailboat Tug

Practice subtraction facts (within 20) with a fun math game in a tropical setting.

Math Monster Subtraction

Choose one or more numbers to subtract. Can you make all 12 monster friends appear?

Ducky Race Subtraction

Practice subtraction facts in a duck racing math game. (Positive and Negative Numbers) (Challenging)

Minus Mission (Challenging)

Practice subtraction facts with a space-themed math game.

Puzzle Pics Subtraction Choose the largest starting number (10 to 20). Place the puzzle piece on the missing number in the grid.

Number & Operations in Base Ten (NBT) 1.NBT.B.2

1.NBT.B.2

Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:

1.NBT.B.2a

10 can be thought of as a bundle of ten ones called a "ten."

1.NBT.B.2b

The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.

1.NBT.B.2c

The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).

Watch This Video

Introduction to place value | Place value (tens and hundreds) | Early Math | Khan Academy

1.NBT.B.2

## Khan Academy: Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:

Do these activities: KHAN ACADEMY 1.NBT.B.2 - ACTIVITY 1 - Groups of ten objects

Watch This Video

Two-digit place value challenge

Do these activities: KHAN ACADEMY 1.NBT.B.2 - ACTIVITY 2 - Two-digit place value challenge

1.NBT.B.2a

## Khan Academy: Practice grouping objects by tens.

Watch This Video

Introduction to place value | Place value (tens and hundreds) | Early Math | Khan Academy

Number & Operations in Base Ten (NBT)

1.NBT.B2a

IXL Activities

1.NBT.B.2b

## Khan Academy: The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.

Number & Operations in Base Ten (NBT)

1.NBT.B2b

IXL Activities

1.NBT.B.2c

## Khan Academy: Practice grouping objects by tens.

Watch This Video

Introduction to place value | Place value (tens and hundreds) | Early Math | Khan Academy

Number & Operations in Base Ten (NBT)

1.NBT.B2c

IXL Activities

Number & Operations in Base Ten (NBT) 1.NBT.B.3

1.NBT.B.3

Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <.

Watch This Video

Comparing whole numbers | Place value (tens and hundreds) | Early Math | Khan Academy

Number & Operations in Base Ten (NBT)

1.NBT.B3

IXL Activities

Number & Operations in Base Ten (NBT) 1.NBT.C.4

1.NBT.C.4

Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.

Watch This Video

Number & Operations in Base Ten (NBT)

1.NBT.C4

IXL Activities

Number & Operations in Base Ten (NBT)

Extend the counting sequence, understand place value, and apply place value understanding.

Counting Games

Jumping Chicks

Koala Karts

Power your racecar by counting discs.

Challenging Games

Canoe Puppies Race Game

Add two-digit numbers correctly to win the race.

Choose a target sum from (20-100) to practice.

Missing Number Subtraction

Choose a target difference from (20-100) to practice.

Geometry (G) 1.G.A.1

1.G.A.1

Distinguish between defining attributes (e.g., triangles are closed and three-sided) versus non-defining attributes (e.g., color, orientation, overall size); build and draw shapes to possess defining attributes.

Watch This Video

*Do This*

Recognizing shapes | Geometry | Early Math | Khan Academy

Geometry (G)

1.G.A1

IXL Activities

Geometry (G) 1.G.A.2

1.G.A.2

Compose two-dimensional shapes (rectangles, squares, trapezoids, triangles, half-circles, and quarter-circles) or three-dimensional shapes (cubes, right rectangular prisms, right circular cones, and right circular cylinders) to create a composite shape, and compose new shapes from the composite shape.

Watch This Video

Skills for this standard are coming soon to Khan Academy.

Khan Academy: Skills for this standard are coming soon.

Do these activities: KHAN ACADEMY 1.G.A.2 ACTIVITIES (Coming Soon)

Geometry (G) Games

Reason with 2D and 3D shapes and their attributes.

Shape Games

Shape Builder

Build patterns, create and solve critical thinking problems, and explore geometric shapes.

Geoboard

Explore area and perimeter with a geoboard. Make shapes with rubber band.

Kangaroo Hop

Power your kangaroo by recognizing 2D and 3D shapes.

Four shapes can be rotated and flipped to fill a shape.

Unit 7 Lesson 1 - Geometry and Attributes

BrainPopJr. - Plain Shapes

Unit 7 Lesson 2 - Explorations

BrainPopJr. - Congruent and Similar Shapes

Unit 7 Lesson 5 - Spheres, Cylinders, and Rectangular Prisms

BrainPopJr. - Solid Shapes

MP2

MP4