Curated OER
Guess My Number
In this finding the number worksheet, learners read clues and solve one-digit addition and subtraction problems to write the numbers in the tens and ones places and discover the missing numbers. Students solve five problems.
Curated OER
Number Base Clocks
Young scholars investigate place value in base ten. In this number sense lesson, students participate in an online lesson at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to convert numbers from base ten to...
Curated OER
Addition and Subtraction: Basic Word Problems
In this work problem instructional activity, learners complete a set of 10 addition and subtraction problems. Answers are included on page. Problems are beginning level.
Helping with Math
Subtraction Worksheet: Numbers to 9 (2 of 3)
Second in the series, this worksheet provides practice with 36 single-digit subtraction problems. The first 24 are in a horizontal arrangement, while the remaining 12 are vertical. First graders especially benefit this type of skills...
Helping with Math
Subtraction Worksheet: Numbers to 9 (1 of 3)
Single-digit subtractions skills are super important in the early grades. The linked resource is the first of three such pages accessible through this website. By checking a box at the top of the page, answers can be revealed. Consider...
Curated OER
Subtraction
Second graders regroup two-digit numbers and solve advanced subtraction problems with regrouping; students use straw and cup manipulatives to demonstrate how to borrow from the tens place in order to solve the problem.
Curated OER
Grade One Subtraction
In this subtraction worksheet, students solve 16 simple subtraction problems. All problems subtract a 1 digit number from another 1 digit number.
Curated OER
Checking Subtraction with Addition and Writing Number Sentences
In this math worksheet, students complete 12 subtraction problems which they check with addition. They solve 6 short mixed word problems and write a number sentence for each while solving it.
Curated OER
Double Deckers- Addition and Subtraction Practice
In this addition and subtraction worksheet, students complete number sentences using the given digits. They write an addition problem on top of a subtraction problem by filling in the blanks that are shown in pictures of double decker...
Curated OER
Grade One Addition
In this addition instructional activity, students solve 20 simple addition problems. All problems add one 1 digit number to another 1 digit number.
Curated OER
Tear + Net = Gross
Second graders find the net weight of a grocery item by weighing it with the tear. In this weight measurement lesson, 2nd graders bring in cans of food and watch a video about weight measurement. Students review the meanings of gross,...
Curated OER
Subtraction Worksheet : Numbers to 19 (1 of 3)
In this subtraction worksheet, learners find the differences to 53 horizontal and vertical subtraction problems. They work with numbers up to 19 and do not regroup while working.
Curated OER
Addition Worksheet: Totals 19 or Less #1
In this addition worksheet, students complete a total of 35 problems, all answers to problems total 19 or less. Worksheet included links to answers and additional worksheets.
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Addition Worksheet: Totals 10 or Less #2
In this addition worksheet, students complete a total of 35 problems, all answers to problems total 19 or less. Worksheet included links to answers and additional worksheets.
Curated OER
Math – Word Problems : Up to 2-digits Without Regrouping
In this addition and subtraction practice worksheet, students solve 6 word problems that require them to add and subtract using 2-digit numbers.
Pennsylvania Department of Education
What Balances?
Students explore another meaning of subtraction as it pertains to the inverse of addition. In this what balances lesson, students identify the concept of subtraction as a balance. Students use subtraction facts to generate addition...
Elementary AMC
Earth Day Math
Take some time this Earth Day to nourish the growth of your young mathematicians with this series of task cards. Whether it's the four basic operations, place value, money, or elapsed time, these conservation-themed problems...
Curated OER
The Case of the Missing Numbers
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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Add With No Regrouping
For this finding the sums worksheet, students add one digit-numbers plus two-digit numbers with no regrouping. Students solve 30 problems.
Curated OER
Codebreaker Math
Students solve addition and subtraction problems and decipher and write messages using a code. They read and discuss an informational fact sheet about the Navajo code talkers from World War II, and decode and re-code messages using math...
Curated OER
Write the Equations
For this writing equations to problem solve worksheet, students read the addition and subtraction problems, write the one-digit and two-digit equations, and solve without regrouping. Students solve 15 problems.
Curated OER
Mystery Math
Here is an interesting "trick" your young mathematicians can perform. They are taught how to find any number's "digital root," by following a set of detailed instructions. The process works for any number, and is the type of math puzzle...
Curated OER
Addition Relay
Third graders, in pairs, use a bag of counters which can be dried beans, squares of papers, etc.
Curated OER
Addition and Subtraction sums and differences
In this sums and differences worksheet, learners are given a one digit number and they have to make up the addition or subtraction problem to make it equal to the number. Students complete 36 problems.