This 2.NBT.9 Second Grade Common Core Lesson includes 2.NBT.9 Worksheets, 2.NBT.9 Activities, 2.NBT.9 Assessment, and 2.NBT.9 Poster.

Using Thermometer Differences Worksheet, students record the change in temperature between thermometers.

Using Multi-Digit SubtractionRegrouping Worksheet, students solve multi-digit subtraction problems with regrouping.

Using Solving Subtraction Word Problem Worksheet, students solve subtraction word problems in order to build their ability to find a solution.

Using Solving Subtraction Word Problems Worksheet, students solve subtraction word problems in order to build their ability to find a solution.

Using Subtract Nine Matching Worksheet, students solve subtracting nine equations and then match equations to answers.

Using Subtracting Nine Writing Equations Worksheet, students solve subtraction by nine problems by writing equations and using pictures.

In this Diving for Sums Add Subtract Within 1000 Activity, students add and subtract within 1000 using strategies of their choice.

Using Adding to Make 10 Activity, students match addition equation cards with missing addend cards to show equations that make 10.

In this 2.NBT.7 Second Grade Common Core Lesson students fluently add and subtract within 100o using multiple strategies.

Using Subtracting Eight Writing Equations Worksheet, students solve subtraction by eight problems by writing equations and using pictures.

Using Subtracting Three Writing Equations Worksheet, students subtract three from a given number by writing equations and using pictures.

Using Pirate Addition to 12 Activity, students match addition equation cards with sum cards to build addition fact fluency skills.

Using Subtraction Within 5 Activity, students solve single digit subtraction problems to build subtraction fact fluency.

Using Multi-DigitSubtraction No Regrouping Worksheet, students solve multi-digit subtraction problems without regrouping.

Using Subtracting Six Writing Equations Worksheet, students subtract six from a given number by writing equations and using pictures.

Using Subtracting Ten Writing Equations Worksheet, students subtract ten from a given number by writing equations and using pictures.