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Lesson Plan
Curated OER

Study Buddies: Adding Two-Digit Numbers

For Teachers 1st - 2nd
Some times a simple instructional activity is all you need. Here are 2 worksheets that can be used as a instructional activity on problem solving, addition, and partner work. The first worksheet has learners use a tens and ones charts to...
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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
Math Worksheets Land

Add up to Four Two-Digit Numbers - Step-by-Step Lessons

For Students 1st - 2nd Standards
Okay, so your scholars are excelling at two-addend addition problems, but what about three or four? Here are some practice problems to stretch their math skills. They find the sums of six equations: two with two addends, two with three...
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Worksheet
Math Worksheets Land

Add up to Four Two-Digit Numbers - Independent Practice Worksheet

For Students 1st - 2nd Standards
How many addends can you add up? Challenge your scholars to expand their skills by finding the sum of up to four addends in these 10 practice problems. All the numbers here are double-digit and learners will practice regrouping. This...
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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 worksheet. 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 four numbers...
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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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Worksheet
Curated OER

Subtraction Practice Series: Worksheet 2

For Students 1st - 2nd
In this subtraction instructional activity, students find the difference of one and two digit numbers. There are 36 subtraction problems on this one-page instructional activity. An answer key is included.
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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 worksheet 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

Two-digit Addition and Subtraction

For Students 1st - 2nd
Often times we use tens and ones workmats to show how to add single and double-digit numbers. This worksheet has the labeled tens and ones columns built-in. Learners are provided with 16 charts, all you need to do is add the numbers.
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Worksheet
Curated OER

Number Lines and Whole Numbers

For Students 1st - 3rd
Use number lines to visually represent addition and subtraction equations. First, scholars complete an addition number sentence and represent the equation on a number line. Next, they examine a number line and write the corresponding...
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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
Illustrative Mathematics

Roll & Build

For Teachers K - 2nd Standards
Develop young mathematicians' understanding of place value with this hands-on math activity. Working in pairs, learners take turns building two-digit numbers by rolling two ten-sided dice. Base ten blocks are then used to model the...
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Lesson Plan
Birdville Independent School District

Friendly Numbers

For Teachers 1st - 3rd Standards
There are a number of different strategies young mathematicians can use when adding two-digit numbers. This lesson focuses on making addition easier by rounding the addends to friendly numbers, with the resulting sum being adjusted...
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Worksheet
Curated OER

Addition Drills, part 2

For Students 1st - 3rd Standards
Add them up! Scholars add up double-digit addends to find sums for 32 equations. There are three examples learners can reference if needed, and they have to regroup for many of these. The equations aren't numbered, so consider doing this...
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Worksheet
Teacher's Guide

Two-Digit Addition without Regrouping

For Students 1st - 3rd Standards
Youngsters practice adding two, two-digit numbers without regrouping. There are 15 equations to solve.
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Worksheet
Curated OER

Addition of Numbers (Under 100)

For Students 1st - 2nd
Here's some basic practice adding single and double-digit numbers in three different formats. First, learners complete two horizontal addition equations. Then, they find the sum for two vertical addition problems. Finally, scholars...
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Worksheet
Curated OER

Two-Digit Addition and Subtraction (No Regrouping)

For Students 1st - 2nd
If practice makes perfect, this sheet cultivates perfection among pupils learning to add and subtract 2-digit numbers. No regrouping is required, so this high repetition tool will help lay a strong foundation for that next step. Key is...
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Worksheet
Curated OER

Add 2 Numbers--2 Digits

For Students 1st - 2nd
In this addition worksheet, students solve 18 addition math problems with double digit numbers ranging from 12 to 46. Students place their answers in the boxes provided.
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Worksheet
Curated OER

Two Digit Addition With No Regrouping Worksheet #7

For Students 1st - 2nd
There is no need to regroup to complete this set of 20 addition problems. Learners will add two-digit numbers togther each sum. 
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Worksheet
Curated OER

Two-Digit Numbers: 10 More or 10 Less

For Students 1st - 2nd
Complete the sequence by adding or subtracting 10! Although the instructions are slightly vague, the idea is that learners are given a starting number and fill in four sequential numbers by either adding or subtracting 10. The first four...
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Worksheet
Curated OER

Counting: Connecting Pictures and Numbers

For Students K - 1st Standards
As young scholars begin connecting numbers with values, help them grasp this concept with sets of objects like these. They examine five sets (up to 15 in number) and match each to a corresponding digit. Then, they draw a set of their own...
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Lesson Plan
Curated OER

Add and Subtract

For Teachers 1st - 2nd
Like the cubs in A Fair Bear to Share, your 2nd grade class will practice adding and subtracting double-digit numbers by grouping, regrouping, and sorting a collection of objects. This requires many resources, but it is well worth the...
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PPT
Curated OER

Suma de dos Digitos

For Teachers K - 2nd
Step-by-step instructions on adding two-digit numbers are visualized in this colorful PowerPoint. There are a total of eleven example problems for students to complete as a class. Note: Instructions are in Spanish.
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PPT
Curated OER

Add 1 digit to 2 digits

For Teachers 1st - 2nd
Walter the frog tells the class to use their number bonds (fact families) to help them add single digit to double-digit numbers. With the guidance of a number line they will count on as Walter hops to the answer.