+
Lesson Plan
Curated OER

Investigation - Who is Right?

For Teachers 3rd
Third graders explore mathematics by solving problems in groups. In this math functions lesson, 3rd graders demonstrate their understanding of addition and subtraction by completing two digit math problems. Students define a list of math...
+
Worksheet
Curated OER

Fun Math Worksheet 35

For Students 2nd - 3rd
In this subtraction worksheet, students subtract the 3 digit numbers by 3 or 2 digit numbers to solve the equations. Students complete 15 problems.
+
Worksheet
Curated OER

Fun Math Worksheet 34

For Students 2nd - 3rd
In this subtraction worksheet, learners subtract the 3 digit numbers by 3 or 2 digit numbers to solve the equations. Students complete 15 problems.
+
Worksheet
Curated OER

Fun Math Worksheet 37

For Students 2nd - 3rd
In this subtraction worksheet, students subtract the 3 digit numbers by 3 or 2 digit numbers to solve the equations. Students complete 15 problems.
+
Worksheet
Curated OER

Standard Written Method for Subtraction With Zeros

For Students 2nd - 3rd
In this finding the differences worksheet, students read the steps to solving subtraction problems with zeros in the ones place, and subtract two-digit numbers. Students solve 12 problems. 
+
Worksheet
Curated OER

Subtraction by Finding Difference-Counting On

For Students 3rd - 5th
In this subtraction activity, students complete a total of 10 problems, first "counting on" to solve, then determining whether to partition or count on. Answers on page 2.
+
Interactive
Curated OER

My Test Book: Addition and Subtraction

For Students 2nd - 3rd
In this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding addition and subtraction of 2-digit numbers. Students may view the correct answers.
+
Worksheet
Curated OER

Math Worksheet 7: Subtraction

For Students 3rd - 4th
In this subtraction worksheet, students solve 30 problems in which a two digit multiple of ten is subtracted from a two digit number. There will be regrouping. Problems are horizontal.
+
Worksheet
Curated OER

Estimating Differences of Money

For Students 5th Standards
When it comes to money math, show scholars that estimation is their best friend. They round money values to the closest dollar, 10 dollar, and 100 dollar increments, solving 19 addition and subtraction problems with approximate answers....
+
Worksheet
Curated OER

Addition Word Problems 1, Version 1

For Students 2nd - 3rd
In this addition worksheet, students solve word problems containing one and two digit numbers. Students complete 5 addition word problems.
+
Worksheet
Curated OER

Fun Math 15

For Students 2nd - 3rd
In this finding the difference worksheet, students subtract three-digit numbers from three-digit numbers with regrouping on a worksheet with a clip art next to each problem. Students solve 15 problems.
+
Worksheet
Curated OER

One-Digit Addition and Subtraction No Regrouping (L)

For Students 1st - 2nd
In this addition and subtraction worksheet, learners improve their math skills by solving the one digit addition and subtraction problems. Students do not regroup to solve the 45 equations and 2 word problems.
+
Worksheet
Curated OER

Add and Subtract within 1000

For Students 1st - 2nd
The visual nature of this instructional activity makes it ideal to project for an all-class warm up. Learners first complete two horizontal addition problems involving three-digit addends. Consider whether or not you will encourage them...
+
Lesson Plan
1
1
Curated OER

Food Pyramid Power: Looking Back and Moving Forward

For Teachers Pre-K - 2nd
Students show their knowledge of properties of objects as it pertains to sorting and creating patterns. In this food pyramid power lesson plan, students show their ability to use whole numbers in different representations by appling...
+
Worksheet
Curated OER

Summer School Math Worksheets --Addition and Subtraction

For Students 2nd - 3rd
In this math worksheet, learners solve 100 addition problems in which 2 digit numbers are added, with and without carrying. Students then solve 100 subtraction problems with 2 digits, with and without regrouping.
+
Lesson Plan
Curated OER

Two By One Multiplication

For Teachers 3rd
Third graders use base-ten blocks to find products of two-digits by one-digit by making a model of the problem. They complete a worksheet by multiplying 2-digits by 1-digit with regrouping. They may use the base-ten blocks if needed.
+
Worksheet
Curated OER

Quiz: 3 and 4 Digit from 4 Digit Subtraction

For Students 3rd - 5th
In this subtraction learning exercise, students complete a quiz in which they solve 10 subtraction problems. These problems require students to subtract 3 and 4 digit numbers from 4 digit numbers. There is a grading scale at the bottom...
+
Worksheet
Curated OER

The Math Lesson 22

For Students 1st - 2nd
In this subtraction practice worksheet, students use their problem solving skills to solve 200 problems that require them to subtract 1 digit numbers from 1 or 2 digit numbers.
+
Worksheet
Curated OER

Addition and Subtraction Facts- Eleven Worksheets

For Students 1st - 2nd
In this addition and subtraction activity, students solve 220 problems. Each page has two columns of ten basic addition or subtraction facts. These are basic drills with no examples or instructions.
+
Worksheet
Curated OER

Calculator Activity: Subtracting Ones and Tens

For Students 2nd - 3rd
In this calculator activity, students use this tool to learn to subtract two digit numbers. Students solve 9 subtraction problems on the calculator and write the differences.
+
Lesson Plan
Curated OER

Make a Match

For Teachers 2nd
Second graders examine the relationship between addition and subtraction. In this number sense instructional activity, 2nd graders practice their computation skills and use various strategies (including manipulatives and calculators)  to...
+
Worksheet
Curated OER

Subtract One-Digit Numbers 2

For Students 1st - 2nd
In this finding the differences worksheet, students subtract one-digit numbers from one-digit numbers from zero to seven. Students solve 40 problems.
+
Worksheet
Curated OER

Mental Math Skills

For Students 2nd - 3rd
In this mental math worksheet, learners use a number line to count backwards and forwards, add doubles, add and subtract one, and add one-digit numbers. Students solve thirty problems.
+
Worksheet
Curated OER

Line up Digits to Subtract

For Students 2nd - 4th
In this subtraction practice worksheet, students sharpen their problem solving skills as they line up digits to solve 6 story problems.