Curated OER
Using Doubles
Bring this easy shortcut to your first grade addition lesson! By adding doubles (6+6, for example), and then adding or subtracting 1, kids learn how to solve simple addition problems with ease. This trick is especially helpful for...
Curated OER
Coordinates
For beginning point plotters, these graphs give a good introduction. They examine a graph with shapes drawn onto it and each vertex labeled. There are 20 total, and scholars write the coordinates of each labeled point. All of these are...
Curated OER
Comparisons
Explore number value with learners through playing cards. They examine sets of three cards, adding up the value and comparing it to another set of three. Learners write in which is greater than or is less than to show number value...
Curated OER
Atoms, Molecules and Ions
Atomic theory, experiments that contributed to our knowledge of matter, atomic structure, isotopes, and ions are covered in these 33 slides. Quality diagrams and labeled charts will help activate understanding. The presentation concludes...
Curated OER
Using Counting-on Strategy for Purchasing
Intended for learners with autism and developmental disabilities, this lesson uses the strategy of counting-on to enhance independent shopping skills. Learners will practice counting on to the next dollar value in order to purchase items...
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...
Curated OER
Count by 100s
In this counting by hundreds to problem solve worksheet, students count and write by hundreds in sequence, add a hundred, and model using flats and rods to solve six problems.
Virginia Department of Education
Formulas and Percent Compositions of Ionic Compounds
Try not to blind anyone with science by following the safety rules. The lesson encourages scholars to form an ionic compound from magnesium and chlorine. Then they determine the empirical formula and determine the mole ratio and percent...
DK Publishing
Addition, Multiplication, and Division
These equations are missing numbers, and scholars must process multiple operations to complete them. There are addition, multiplication, and division problems here, each missing an addend, divisor, or factor. After completing 24 of these...
World Wildlife Fund
Arctic Take 6
The magic number is six! Using a 6x table, young math stars practice adding, subtracting, multiplying, and dividing two-digit numbers with the number six. This worksheet also touches on making tessellations with hexagons.
DK Publishing
2 More Than
Which one has two more? Each row of objects has a corresponding row, and mathematicians determine which one has two more than the other, checking it off. They work with single-digit values here and should be encouraged to write the...
DK Publishing
Money Word Problems #3
Money is an excellent way to help young mathematicians practice adding and subtracting numbers with decimals. They solve 15 word problems representing a variety of scenarios for calculating money. For some, scholars determine which bills...
Curated OER
Add and Subtract Decimal Thousandths (F)
In this decimals worksheet, students solve 50 problems in which decimal numbers to the thousandths place are added or subtracted. Problems will need to be rewritten on another paper.
Curated OER
Add and Subtract Decimal Thousandths (C)
In this decimals worksheet, students solve 50 problems in which decimal numbers to the thousandths place are added or subtracted. Problems will need to be rewritten on another paper.
Curated OER
Number Patterns/ Odd and Even
Students investigate the relationship between odd and even numbers. In this odd and even relationship lesson, students draw pictures to help increase understanding.
Curated OER
Decimal Fractions with a Calculator
For this decimals worksheet, students write what they had to do to change decimal numbers to other decimal numbers. Students complete 28 problems where they write if they added, subtracted, multiplied, or divided.
Curated OER
Standard written method for addition of 2-digits
In this addition activity, students learn how to add two 2-digit numbers together. They then use what they read to solve the 12 addition problems. That answers are on the last page.
Curated OER
Add and Subtract Decimal Hundredths (D)
In this decimal numbers worksheet, students solve 50 problems in which decimal numbers to the hundredths place are added or subtracted. Problems may need to be rewritten on another paper.
Curated OER
Addition: Exercise 4
In this addition worksheet, students add one digit to two digit numbers without having to carry over. There are thirty problems. Students can complete this online and submit the answers.
Curated OER
2 Digit Addition Without Regrouping
In this addition instructional activity, students solve problems with the help of a number line. Students complete twenty simple two-digit addition problems.
Curated OER
Multiply Decimal Fractions by 10 or 100
In this decimal fraction multiplication worksheet, students read an explanation of rules, then solve 24 problems. Answers are included on page 2.
Curated OER
Add Decimals Mentally
In this adding decimals worksheet, 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
Primes and Triples
In this primes instructional activity, students list three triples that are generated by formulas. They explain how to generate these formulas and discuss the Pythagorean Triples. This one-page instructional activity contains one...
Curated OER
Meba Math (K-1)
Students work with counters and math mats to demonstrate number concepts. For this number concept lesson, students use cubes and configuration cards to show more or less than given numbers.