Lesson Plan
Curated OER

Primary Understanding and Use of Place Value

For Teachers 3rd - 4th
Explore place value and regrouping with your class. They develop awareness of several ancient number systems and how they differ from the base ten system commonly used today. They play "Chip Trading" with partners to practice addition...
Worksheet
Curated OER

Adding 2-Digit Numbers

For Students 2nd - 3rd Standards
If you're looking for guided addition problems, here is a practice list of 30. All of these have two double-digit addends, and many require regrouping. There are three example problems for learners to reference, each of which also...
Worksheet
DK Publishing

Adding with 3-digit Numbers #2

For Students 2nd - 3rd Standards
These 25 addition problems each have two 3-digit addends, and many require regrouping. There are three examples to guide learners in all the types of problems they encounter, including the last set of five which have four-digit sums....
Lesson Plan
Curated OER

Lesson Design Protocol: Add and Subtract

For Teachers 3rd - 4th Standards
Addition and subtraction are studied in this math lesson. Upper graders add and subtract whole numbers up to 1,000 with and without regrouping.
Worksheet
Curated OER

Practice Adding

For Students K - 2nd Standards
Challenge your first graders with 24 addition problems. The first section of problems use numbers from 5 to 64, while the second section contains problems adding three numbers together. The last few problems prompt young mathematicians...
Worksheet
Curated OER

Adding Decimals

For Students 3rd - 5th Standards
Get your mathematicians ready to add up restaurant tabs using decimal addition problems. Using two examples to guide their processing, they find the sum of eight vertically aligned number pairs, all of which have decimals. They complete...
Worksheet
Curated OER

Adding Two Numbers

For Students 3rd - 4th
Keep addition drills interesting by varying the exercises. There are four separate sections here for youngsters to solidify their understanding of adding three-digit addends. First, they calculate eight vertically aligned equations,...
Interactive
Curated OER

Addition: Level 3: 2x1 Exercise 1 (carryovers)

For Students 3rd
In this addition worksheet, 3rd graders complete 30 problems in which they add a single digit number to a two digit number using regrouping as needed. They enter their answers in the boxes and submit them on-line
Worksheet
Curated OER

Addition Worksheet

For Students 1st - 2nd
In this addition worksheet, students add two digit to two digit numbers. No regrouping is required to complete this worksheet.
Interactive
Curated OER

Addition: Math 2

For Students 2nd
In this addition instructional activity, 2nd graders complete 30 problems in which they add a single digit number to another single digit number using regrouping as needed. They enter their answers in the boxes and submit them on-line
Worksheet
Curated OER

A Frightening Mix of Math, A-Add or Subtract, But Look Out for the Monsters

For Students 2nd - 3rd
In this math worksheet, students add and subtract. Fifteen problems are subtraction, students subtract two digit numbers from three digit numbers. Regrouping is required. Twenty-one problems are addition, students add two digit numbers...
Worksheet
Curated OER

Two-Digit Addition Problems With Regrouping

For Students 1st - 2nd
In this math worksheet, students solve two-digit addition problems with regrouping. The worksheet includes a number line to help students solve the problems.
Lesson Plan
Curated OER

Two-Digit Addition: No Regrouping (B)

For Teachers 2nd - 3rd
For this addition worksheet, students add two-digit numbers with no regrouping. Students find the sums for one hundred problems.
Lesson Plan
Curated OER

Two-Digit Addition and Subtraction No Regrouping (B)

For Teachers 2nd - 4th
In this adding and subtracting two-digit numbers worksheet, learners find the sums and differences with no regrouping. Students solve 36 problems.
Worksheet
Curated OER

Two-Digit Addition and Subtraction No Regrouping (A)

For Students 2nd - 4th
In this addition and subtraction instructional activity, students find the sums and differences by adding and subtracting two-digit numbers with no regrouping. Students solve 36 problems.
Worksheet
Curated OER

One-Digit Addition and Subtraction No Regrouping (B)

For Students 1st - 3rd
In this addition and subtraction worksheet, learners find the sums and differences of one-digit numbers with no regrouping. Students solve 47 problems.
Lesson Plan
Curated OER

Two Digit Addition with Regrouping

For Teachers 1st - 3rd
Students explore the concept of "regrouping." In this 2-digit addition with regrouping lesson plan, students create visual representations of combinations that equal ten using a tens frame. Students use manipulatives to represent the...
Worksheet
Curated OER

One-Digit Addition, No Regrouping (B)

For Students 1st - 3rd
In this addition activity, students find the sums by adding one-digit numbers without regrouping. Students solve 64 problems.
Lesson Plan
Curated OER

Two-Digit Addition and Subtraction (A)

For Teachers 2nd - 4th
In this two-digit addition and subtraction worksheet, students solve with mixed regrouping and no regrouping. Students solve 49 problems.
Lesson Plan
Curated OER

Three-Digit Addition and Subtraction (A)

For Teachers 3rd - 5th
In this adding and subtracting three-digit numbers worksheet, students solve with mixed regrouping and no regrouping. Students solve 49 problems.
Lesson Plan
Curated OER

Two-Digit Addition

For Teachers 1st - 3rd
In this finding the sums worksheet, students use a number line to add two-digit numbers without regrouping. Students solve 20 problems.
Lesson Plan
Curated OER

Three-Digit Addition and Subtraction (B)

For Teachers 3rd - 5th
In this adding and subtracting thee-digit numbers worksheet, students solve with mixed regrouping and no regrouping. Students solve 49 problems.
Lesson Plan
Curated OER

Two-Digit Addition and Subtraction (B)

For Teachers 4th - 6th
In this adding and subtracting two-digit numbers worksheet, students find the sums using mixed regrouping and no regrouping. Students solve 49 problems.
Worksheet
Curated OER

Addition: 1 Digit with Regrouping

For Students 3rd - 6th
In this mathematical worksheet, learners add one-digit numbers to one-digit numbers to solve eighty math problems. Students check their answers when completed.

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