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Worksheet
Curated OER

The Case of the Missing Numbers

For Students 1st - 3rd
In this finding the unknown numbers worksheet, students help Detective Digit solve addition and subtraction problems, match the answers with letters, and find the name of the number thief. Students solve and match 16 problems.
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Worksheet
Curated OER

Mixed Operations

For Students 1st - 3rd
In this mixed operations activity, learners complete addition problems, subtraction problems, and write numbers that come before and after 2 digit numbers. Students complete 10 problems.
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Lesson Plan
Curated OER

The School Store

For Teachers 1st - 2nd
Students choose between the operations of addition or subtraction to solve a real life problem. In this addition and subtraction lesson, students make a chart of items sold in the school store. Students then work in teams to apply...
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Worksheet
Curated OER

St. Patrick's Day Themed Math Word Problems

For Students 1st - 3rd
In this word problems worksheet, students add 1-digit numbers and subtract tens to problem solve. In this short answer & fill in the blank worksheet, students write answers to two problems.
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Lesson Plan
Curated OER

Number Stories

For Teachers 1st - 2nd
Students write and solve various number stories. They solve number stories using one, two and three digit numbers. Students practice writing sentences using the following 6+1 traits, ideas and content, organization, word choice and...
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Lesson Plan
Curated OER

Study Buddies: Counting Back Tens and Ones

For Teachers 1st - 2nd
In this math worksheet, students will work with a coach to solve a problem in which they must subtract by counting back by tens and ones. Students will follow a step-by-step process and notes are provided for the coach.
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Unit Plan
Curated OER

Curriculum Links To Numeracy

For Teachers 1st - 5th
Youngsters practice looking for the links to numeracy in their classes. This isn't a worksheet but a curriculum guide for an entire unit. Teachers can use any part of the resource to extend or inform their teaching practices related to...
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Lesson Plan
Primary National Strategy

Ordering and Counting

For Teachers K - 2nd Standards
Are you in need of a 5-day unit intended to teach little learners how to count to 20? This is a well-structured complete set of lessons which employ a variety of methods to instruct learners about various ways to count from 1 to 20. They...
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Lesson Plan
Curated OER

Fact Families

For Teachers K - 2nd
Learners create "fact families" using digital pictures of their classmates and knowledge of basic math concepts (subtraction and addition) in this technology-based math lesson intended for use in the early-elementary classroom. A...
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Worksheet
Helping with Math

Addition - Sums to 12

For Students K - 2nd Standards
Addition practice worksheets are good to have on hand to add to homework packets. On this one, 30 single-digit vertical problems are arranged into six rows of five problems each. Add this to your library of tools for reinforcing addition...
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Organizer
Curated OER

Counting and Calculating

For Students 1st - 2nd
In this math worksheet, students follow the basic activities that are shown in the planning guide written for the teacher. The plan is written in the form of a unit.
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Lesson Plan
Curated OER

Flipping with Math

For Teachers K - 1st
Students write simple addition number sentences. In this addition lesson, students write simple addition number sentences using tangible objects as their guide. Using a paint or drawing program on the computer, students create a visual...
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Worksheet
Curated OER

Test 12

For Students 1st - 3rd
In this math instructional activity, students solve the problems that use the operations of addition and subtraction with one and two digits as an assessment.
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Lesson Plan
Pennsylvania Department of Education

Comparing Sets

For Teachers Pre-K - 2nd
Young scholars count back with cubes to model subtraction problems. In this subtraction lesson plan, students compare sets of problems and record their results in a table.
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Lesson Plan
Curated OER

Equal Shmequal by Virginia Kroll

For Teachers 1st - 3rd
Students read a book and complete exercises to explore the meaning of 'equals.' In this equal numbers lesson, students brainstorm the meaning of equals and read a story about the topic. Students use manipulatives to study balance and...
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Worksheet
Curated OER

Add or Subtract

For Students 1st - 2nd
In this addition and subtraction worksheet, students add or subtract the single, two, and three digit problems. Students use the provided space to solve the problems. Students solve 28 problems.
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Lesson Plan
Curated OER

Number Sense

For Teachers 1st
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences instructional activity, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
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Lesson Plan
Curated OER

Number Tick Tack Toe

For Teachers K - 3rd
Students practice basic addition and subtraction facts to twelve. They use high level thinking skills to win at the game of tick tack toe. Students review the rules to the game. They use strategy skills to master the game.
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Worksheet
Helping with Math

Addition Worksheet: Totals 9 or less (1 of 3)

For Students K - 2nd Standards
Here is the first in a series of three single-digit addition worksheets. The first 24 of the problems are horizontally written, while the remaining 12 are vertical. At the top of the webpage is a place to check off a box that will reveal...
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Worksheet
Curated OER

Booster (pg.10)

For Students 1st - 2nd
In this addition and subtraction activity, students work out and answer 2 word problems, answer 2 short answer problems and fill in the missing 4 digits in one addition and one subtraction problem.
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Lesson Plan
Curated OER

Duck Dominoes

For Teachers 1st
In this fact family worksheet, 1st graders use the domino pictured to write problems. Students create 2 addition and 2 subtraction problems for each of the 4 dominoes represented. Students then solve for 8 single digit problems at the...
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Worksheet
Curated OER

Subtracting Numbers up to 10

For Students 1st - 2nd
In this subtraction worksheet, students complete a set of 20 single digit addition problems. An answer key is included on page 2.
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Lesson Plan
Curated OER

Telling Time With Clocks/Bingo “Time”

For Teachers 1st - 3rd
Young learners create a clock by adding hands and placing the numbers in the correct location. After each learner has their very own clock, they explore each component. Review on the hour times, and then introduce them to five-minute...
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Lesson Plan
Curated OER

Place Value Popsicles

For Teachers 1st - 2nd
Students play a place value game using popsicle sticks and dice. They investigate units and tens.