Helping with Math
#5: Addition & Subtraction Equations (1 of 2)
Single-step addition or subtraction operations are applied in order to solve these 12 simple equations. An answer key is available, not so much for you, but perhaps to be used by learners as a self-correction tool. Note that the...
Helping with Math
#6: Addition and Subtraction Equations (2 of 2)
This printable contains 12 basic equations to be solved. The first one is worked out as an example, and the answers for all can be found by clicking on a "Show Answers" box found on the website. The publisher has identified this as...
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
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.
Curated OER
Addition Worksheet: Totals 10 or Less #2
In this addition worksheet, learners complete a total of 35 problems, all answers to problems total 19 or less. Worksheet included links to answers and additional worksheets.
Curated OER
Addition: Sums to 18
In this addition activity, students complete a total of 30 problems, all answers to problems total 18 or less. Worksheet included links to answers and additional worksheets.
Curated OER
Number Lines and Bead Strings
Students solve addition and subtraction problems using strings of beads and number lines. They mentally perform addition and subtraction problems, and write and solve story problems involving whole numbers.
Curated OER
Money Marvels
Second graders explore various combinations of coins and dollars that add up to make given totals. They complete five different studying stations, completing a worksheet at each center, and mentally perform calculations involving...
Curated OER
Think of a Number
In this math worksheet, students engage in a mental math activity. Student think a number and follow several computations with that number and always come up with the answer 9. Students discuss why this happens.
Curated OER
Addition Up to 20- Blank Grid
In this addition grid worksheet, students fill in facts up to 20 to complete an addition grid. Worksheet provided 2 blank grids. A reference web site is given for additional activities.
Curated OER
Pokemon Are Smart and Healthy
Students play a dodge-ball type game (with bean bags) as they perform a number of mental math and physical challenges.
Curated OER
Multiplying by 10, by 100, and by 1,000
Fourth graders write tenths and hundredths in decimal and fraction notations. In this math instructional activity, learners know the fraction and decimal equivalents for halves and fourths. Everyone answers numerous questions posed by...
Curated OER
Direction and Angle: Positions and Directions
This is an interesting mix of concepts. Half of this presentation provides double-digit addition and subtraction practice and the other half has students discuss cardinal directions and right angles. Use these together, or use them on...
Curated OER
Addition-up to 20
In this addition activity, students work out problems that can be equal up to 20. These 40 problems are lined up side by side.
Curated OER
Multi-Digit Multiplication
Fourth graders practice mastering the ability to multiply multi-digit numbers utilizing rectangular arrays and a variety of mental math strategies. They model and illustrate meanings of multiplication and division of whole numbers and...
Curated OER
Multiplication Strategies and Writing Story Problems
Third graders model multiplication problems using Unifix cubes. They compute and solve problems involving addition and subtraction of 3- and 4- digit numbers and basic facts of multiplication and division. They practice mental math...
Curated OER
Add Decimals Mentally
In this adding decimals instructional activity, students add a set of 5 decimal problems, then put missing decimal numbers to make sums add up to the number 1. Answers included, a reference web site is given for additional activities.
Curated OER
Addition and Subtraction of Decimals
In these decimal skills worksheets, students solve the equations and word problems using addition or subtraction. Students then solve the decimal equations and word problems using addition or subtraction.
Curated OER
Matrix Madness!!
Perform operations to add, subtract, multiply and divide matrices. Then solve problems with vectors using matrices. A three day activity: Matrix Madness, Mystical Matrices, and Decode the Encode. The last activity has prizes that the...
California Education Partners
John's Trip Disneyland
It all adds up to one. Pupils solve several items that involve finding sums of fractions in relationship to a whole. The assessment task uses fractions with unlike denominators to determine the amount of a tank of gas and the amount of...
Curated OER
How Many Under the Shell?
Children discover basic addition and subtraction facts. They play an online game in which they practice addition and subtraction facts. This could be a perfect computer lab activity for your students to engage in.
Curated OER
Counting Back and Counting On
Read aloud your choice of books about counting on and counting back (a list is provided, or tell stories of your own). Your learners will write horizontal equations to portray what happens in the story. They build a paper chain and...
Curated OER
Adding Decimals
In decimal addition learning exercise, students practice their math skills as they mentally add the decimal numbers in 6 problems, fill in 4 patterns, and solve 4 more decimal problems.
Curated OER
The Nuts and Bolts of a Mathematical Expression
Fourth graders complete a worksheet that asks them to order operations within a mathematical expression. students evaluate the expressions in the correct order using mental math and paper. The results are recorded on the worksheet.