MI.Math.Content.2.NBT.B.5

Use place value understanding and properties of operations to add and subtract

Michigan State Math Standards

Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

Subtracting on a Number Line

Subtraction on an Open Numberline

Subtraction with 2-Digit Numbers Part 1

Subtraction with 2-Digit Numbers Part 2

Represent 100s Different Ways

Compose 3-Digit Numbers

Expanded Form

Let's build three-digit numbers with base ten blocks and place value discs in different ways. Math Mights was adapted from IM K-5 Math™...

Numbers Represented in Different Ways

Halves, Thirds and Fourths

Fractions with a Whole

Tell Time with Halves and Quarters

Read, Write and Tell Time

Let's tell time with analog and digital clocks in five minute intervals and using A.M. and P.M. Math Mights was adapted from IM...

Coins and Values

Coin Combinations

Let's Make a Dollar

Problems with Money

Compare then Add or Subtract

Add and Subtract 10s or 100s

Find Differences Between Numbers

Add & Subtract within 100

Engage with a number talk to sum near-doubles using compensation. Add and subtract within 100 in more than one way. Use compensation, place...

Match Strategies to Expressions

Engage in a number talk to add within 100 using compensation. Match addition strategies to expressions. Play the game "Less than 10" to...

One Step Story Problems

Warm up with a Mystery Math Mistake to hunt for the mistake in adding two 2-digit numbers using a decomposition strategy. Use visual...

Match Word Problems to Visual Models

Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Find Which One Doesn't Belong to...

Estimate and Measure with Centimeters

Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Think through creating your own centimeter...

Subtract a 1-Digit from a 2-Digit Number

Decompose numbers to subtract and engage in a Number Talk focused on subtraction strategies. Can you solve the problem without pencil or paper?...

Differences with 2-Digit Numbers

Count up or down on an open number line. Explore a subtraction strategy and see if it helps you to subtract. Engage in...

Measuring with Centimeters

Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. What do you know about measurement?...

Story Problems about Length

Warm up with a Mystery Math Mistake to find the mistake made in counting up on a number line to subtract. Use visual...

Line Plots

Warm up with a Mystery Math Mistake to find the mistake made in counting up on a number line to subtract. Notice and...

Standard MI.Math.Content.2.NBT.B.5

Use place value understanding and properties of operations to add and subtract