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Lesson Plan
Curated OER

Study Buddies: Adding Two-Digit Numbers

For Teachers 1st - 2nd
Some times a simple lesson is all you need. Here are 2 worksheets that can be used as a lesson on problem solving, addition, and partner work. The first worksheet has learners use a tens and ones charts to practice adding simple...
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Worksheet
DK Publishing

Subtracting 2-Digit Numbers, Part 2

For Students 2nd - 3rd Standards
Do your second graders need some more subtraction practice? Look no further. This resource features 25 subtraction problems, all with 2-digit numbers. The format makes it a good quiz or homework activity.
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Activity
Illustrative Mathematics

Hundred Chart Digit Game

For Teachers K - 2nd Standards
Math games, especially in the primary grades, provide great opportunities for developing the number sense of young mathematicians. Working in pairs with a deck of single-digit cards, students take turns drawing two cards and reading the...
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Lesson Plan
Curated OER

Study Buddies: Multiplying by Two-Digit Numbers

For Teachers 2nd - 4th
Learners solve a multiplication problem in which they must multiply two 2-digit numbers with the help of a "Coach". Pupils follow a step-by step process and notes are provided for the coach.
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Lesson Plan
Curated OER

Addition: one and two digit numbers

For Teachers 1st - 3rd
Learners add one and two digit numbers together with the help of a number line. There are 18 problems to complete.
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Lesson Plan
Illustrative Mathematics

Comparing Numbers

For Teachers K - 2nd Standards
Young mathematicians spin their way to a deeper number sense with this fun, collaborative activity. Using two spinners, one with the numbers 0-9 and the other with the decades 00-90, pairs of learners take turns building and comparing...
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Worksheet
Curated OER

Subtracting Three Numbers

For Students 2nd - 3rd
Second and third graders practice subtracting problems with one digit, two digit, and three digit numbers. They complete 80 subtraction problems.
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Worksheet
DK Publishing

Addition with 3-Digit Numbers #1

For Students 2nd - 3rd Standards
Once your mathematicians can add two-digit numbers, it's time to bring on the three-digit addends. Here are 20 practice problems, each involving two whole-number addends. Learners do not need to regroup for any of these, and they have...
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Worksheet
Curated OER

Add Up to Four Two-Digit Numbers

For Students 2nd
The class practices adding two, three, and four two-digit numbers. They add the number sentences on the left, then draw a line to the correct answer on the right. 
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Worksheet
Discovery Education

Subtraction with 3-Digits Numbers #1

For Students 2nd - 3rd Standards
Looking for a simple way to practice 3-digit subtraction? Use this review page to reinforce your second and third graders' subtraction skills. It includes twenty problems for them to solve, as well as five problems using money. Useful as...
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Worksheet
Curated OER

Adding 2-Digit Numbers, part 4

For Students K - 2nd Standards
Practice adding it up! A very straightforward activity includes 36 addition problems, all with two-digit addends. Great for a timed math drill or a comprehensive review activity.
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Worksheet
Curated OER

Subtraction with 3 Digit Numbers #2

For Students 2nd - 3rd
Take subtraction to the next level with this resource, which contains 20 subtraction problems with three-digit numbers. After completing these problems, second and third graders work on five additional problems, which involve two-digit...
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Worksheet
Curated OER

Doubling Two Digit Numbers

For Students 2nd - 3rd
In this addition learning exercise, learners add one and two digit numbers that are doubles facts. Students complete 40 addition problems.
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Worksheet
Curated OER

Column Addition - 2 Digits Sheet 1

For Students 2nd - 3rd Standards
In this column addition problem, learners add two-digit numbers with and without regrouping. Students complete 12 addition problems.
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Lesson Plan
Curated OER

Add It Up In Number Ville! Adding 2-Digit Numbers With and Without Regrouping

For Teachers 2nd - 4th
Students explore adding 2-digit numbers. In this math lesson plan, students identify 2-digit numbers and use base ten blocks to practice adding. Students use addition to break a code.
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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....
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Worksheet
Math Worksheets Land

Compare Two-Digit Numbers - Guided Lesson

For Students 1st - 2nd Standards
Practice comparing number values in a variety of activities on this instructional activity. Youngsters complete a statement comparing 20 to 20, choosing from three options: is greater than, is less than, and is equal to. Then, they put...
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Worksheet
Curated OER

Fun Math Worksheet - Subtract Two-Digit Numbers

For Students 2nd - 3rd
In this finding the differences worksheet, students subtract one-digit and two-digit numbers from two-digit and three-digits with regrouping on a page with fun clip art next tot each problem. Students solve 15 problems.
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Lesson Plan
Curated OER

Comparing Two Digit Numbers Using Symbols

For Teachers 2nd
Second graders compare two digit numbers. In this comparing numbers lesson, 2nd graders discover greater than and less than symbols. Students read Five Little Monkeys Sitting In A Tree and use the story as a model for comparing numbers....
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Lesson Plan
Curated OER

Two Digit Addition Without Regrouping

For Teachers 1st - 2nd
No regrouping required. Hone basic subtraction skills with 20 problems. Learners subtract double-digit numbers.
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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...
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Worksheet
Curated OER

Adding 2-Digit Numbers, part 2

For Students 2nd - 3rd Standards
Looking for addition practice problems? You've found them! This worksheet features 30 double-digit addend equations and three examples to guide young mathematicians. Because they incorporate carrying for almost every problem, this may be...
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Worksheet
Curated OER

Adding Doubles Two Digit Numbers

For Students 2nd - 3rd
In this addition instructional activity, students add doubles facts that are all two digit numbers. Students complete 40 addition problems.
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Lesson Plan
Curated OER

Two-Digit Subtraction With and Without Regrouping

For Teachers 2nd
Second graders subtract two-digit numbers. In this mathematics activity, 2nd graders subtract both with and without regrouping. Students use manipulatives and place value mats to assist in problem solving.

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