Curated OER
What's That Number? 1-Digit Addition and Subtraction
In this subtraction and addition worksheet, students fill in missing numbers in problems necessary to arrive at given answers. All problems use 1-digit numbers only.
Curated OER
Add and Subtract Equations with Equal Sign
Gain exposure to addition and subtraction symbols. First, pupils examine a visual number sentence (featuring Sponge Bob), filling in the correct symbol to make it a complete equation. Next, they read a run-on number sentence involving...
Curated OER
Addition Drill
A basic problem-solving worksheet has scholars completing 10 addition problems. The problems each involve two addends, and have single, double, and triple-digit numbers. Once they have found the sum, they locate the number from the...
Curated OER
Negative Numbers Practice Sheet
Fourth and Fifth graders should benefit from this negative and positive number addition worksheet. There are 90 problems to solve; each has a negative number plus a positive number. There are also a few subtraction problems sprinkled in...
Curated OER
Inverse
Your class can learn all about inverse operations. They will review what inverse operations are, see examples, learn how to use inverse operation to check an answer, write addition and subtraction equations in the inverse, and use the...
Curated OER
Fact Families - Part 2
Complete these fact families; mathematicians use addition number sentences to write three more equations, all of which are members of the same fact family. There is an example here to guide them, and they solve for nine more number...
Baylor College
Air: The Math Link
Inflate this unit on the science of air with these math skills practice and word problems. Accompanying the children's story Mr. Slaptail's Secret, this resource covers a wide range of math topics including the four basic...
Curated OER
Problem Solving 2-3
Using everyday, familiar scenarios, this problem solving instructional activity has students read math story problems and determine the operation necessary to solve each. Students determine the necessary information, and utilize either...
Curated OER
Inverse Relationships Add/Sub (D)
In this inverse relationships instructional activity, 3rd graders use the addition and subtraction sentences to find the missing number that solve the addition and subtraction inverse relationships.
Curated OER
Inverse Relationships (D)
In this inverse relationships worksheet, students use the given numbers in each addition or subtraction sentence to solve the 30 problems.
Curated OER
Inverse Relationships Add/Sub (D)
In this inverse relationships worksheet, students use the given numbers to solve the addition and subtraction sentences to solve the 16 inverse relationship problems.
Curated OER
Decimal Numbers
In this fractions to decimals worksheet, learners write the fraction number sentences as decimal number sentences and solve the addition puzzles. Students complete 17 problems.
Curated OER
Addition and Subtraction
Students complete addition and subtraction activities. In this addition and subtraction lesson, students write a sum with missing numbers or symbols and use parts of their bodies to show the missing symbol or number. Students guess...
Curated OER
Missing Addend and Subtraction 1
In this mathematics worksheet, 4th graders write the numbers and x to each picture. Then they write a missing addend sentence and a subtraction sentence to solve each problem. Students also write a missing addend sentence with x and...
Curated OER
Mix-Up
For this number sentence worksheet, 3rd graders look at 2 game boards and find as many number sentences as they can that are hidden in each one. Students put their answers on the lines provided.
Curated OER
Same Picture Subtraction and Addition
In this addition and subtraction worksheet, students make a subtraction and addition sentence for the same picture, then write additional sentences as instructed. A website reference for additional resources is given.
Curated OER
Inverse Relationship Between Addition and subtraction
First graders review number facts to illustrate the relationship between addition and subtraction. For this inverse relationship lesson, 1st graders write an addition sentence and then invert the numbers to show the subtraction fact.
Curated OER
Fact Equivalents - Addition and Subtraction
For this addition and subtraction facts practice worksheet, students solve 15 problems that require them to solve an addition sentences in order to write subtraction sentences that are equivalents.
Curated OER
My Test Book: Addition and Subtraction
In this online interactive math skills worksheet, students solve 10 multiple choice math problems that require them to add and subtract using 2-digit numbers. Students may submit their answers to be scored.
Curated OER
Fact Equivalents - Addition
In this addition and subtraction facts practice worksheet, students solve 15 problems that require them to solve an addition sentences in order to write subtraction sentences that are equivalents.
Curated OER
Grade One Mixed Math Practice
In this grade one mixed math practice worksheet, 1st graders complete 7 problems. They work with money, number sentences, addition, subtraction, and number sentences. They count the number of legs on a picture of a lamb and work with a...
Curated OER
Problem Solvers
Fifth and sixth graders compare decimals to the place-value structure in the base-ten number system. They represent fractions as parts of unit wholes, as parts of a set, as locations on a number line, and as divisions of whole numbers....
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 1
Here is an assessment designed to test mathematicians' knowledge of writing numbers, comparing numbers, skip counting, solving addition and subtraction problems; along with measuring objects, telling time, identifying shapes, reading...
Curated OER
Fact Families to 10
In this mathematics worksheet, 1st graders complete each fact family. Then they solve each addition and subtraction sentence using counter to show their sentence. Students also explain their idea of what a fact family is to them.