Flipped Math
Intro to Proofs
Prove the best way to keep up in Geometry. Scholars first review algebraic properties from Algebra. Learners then use the properties to create two-column proofs to solve linear equations before completing algebraic proofs by providing...
Curated OER
Addition Drills, part 3
Here's an addition drill for scholars who are already comfortable with regrouping. There are 30 horizontally-aligned problems here, each with two 2-digit addends. Mathematicians use three examples as reference as they solve each of...
Curated OER
NUMB3RS - Season 2 - "Convergence" - Air Hockey
Learn how to use a matrix to organize data to solve a problem. This activity uses wins and losses to rank players for an air hockey tournament they wish to have. After practicing some basic matrix operations the class could do the...
Curated OER
Making a Ten
An addition table supports third graders as they learn strategies to improve their math fluency. When finding sums greater than ten, students are taught how to first make a ten and then add on the rest. A similar method is also...
EngageNY
Substituting to Evaluate Addition and Subtraction Expressions
Substitute this resource for what you used to use. Learners identify patterns in data tables and write addition and subtraction expressions to represent relationships. Substitution allows them to solve problems in context in the 20th...
Curated OER
Add and Subtract within 20 - Independent Practice
Although this worksheet says it contains addition and subtraction within 20, it doesn't. Learners will have to add and subtract double-digit numbers with answers up to at least 30. However, it does provide good practice.
Curated OER
Add Three Numbers Practice 11.4
For this column addition worksheet, students solve 13 problems in which three two-digit numbers are added. Students look for a ten or a double.
Curated OER
Add Three Numbers
In this column addition instructional activity, students solve 11 problems in which three two-digit numbers are added. There will be regrouping on this page.
Curated OER
Times Tables - Multiplication
Introduce students to multiplication through this fantastic math worksheet. Provides beginners with an explanation of multiplication as repeated addition using pictures to help students visualize the meaning and process of multiplying....
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Multiple Number Addition: Two-Digit; Four Numbers (A)
In this math worksheet, students solve 36 problems in which four 2 digit numbers are added in a column. There is regrouping in the problems, which are in vertical format.
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
Column Addition- 3 Digits, Sheet 6
In this addition activity, students complete a set of 12 problems, adding 2 and 3 digit numbers. Numbers must be arranged vertically and problems completed. A reference web site is given for additional activities.
Curated OER
Adding Integers
In this adding integers worksheet, 5th graders solve and complete 6 different problems that include using number lines. First, they create 6 arcs in column B connecting two integers that can be added together to equal the integers in...
Curated OER
Checking Addition and Subtraction by Estimation
In this mathematics worksheet, students solve various equations using different methods. They estimate each answer by checking the additions and subtractions given for each. Then, students write in the decision column wither definitely...
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Adding Two- and Three-Digit Numbers
In this adding two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to eight mathematical word problems and equations.
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Shapes and Designs
For this shapes and designs worksheet, 10th graders solve and complete 6 different types of problems. First, they fill in the first two columns of the table show with their shapes. Then, students measure the interior angles of each...
Curated OER
Practice Adding
Challenge your first graders with 24 addition problems. The first section of problems use numbers from 5 to 64, while the second section contains problems adding three numbers together. The last few problems prompt young mathematicians...
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Multiplying by 10
Multiplying by 10 is simple, but do your scholars know the trick? They look at four examples; if you haven't learned this yet, see if they notice a pattern in these answers. They multiply 70 numbers by 10. Most are two-digit, but a few...
Curated OER
Column addition worksheet
In this addition worksheet, students add one digit numbers together. Students complete 15 problems where they add one digit numbers with the number 1 and 2.
Curated OER
Verifying Segment Relationships
In this verifying segment relationships worksheet, 10th graders solve two proofs by following the same format used in algebra. They complete each of two proofs by naming the property that justifies each statement given. Students also...
Curated OER
Addition and Subtraction Facts- Eleven Worksheets
In this addition and subtraction worksheet, students solve 220 problems. Each page has two columns of ten basic addition or subtraction facts. These are basic drills with no examples or instructions.
Curated OER
Independent Practice 1: Addition Number Grid
In this addition worksheet, students fill in the missing numbers in eight addition number grids. Students check that each row adds up together to match the total at the right and at the bottom of each grid.
Curriculum Corner
Second Grade Summer Math Practice Book
Stop the summer lag with a set of second grade Common Core based math practice sheets. Learners fill in hundreds charts with missing numbers up to 1,000. They practice writing numbers in standard, expanded, and word form. Children also...
Houghton Mifflin Harcourt
Unit 2 Math Vocabulary Cards (Grade 4)
The 28-page resource contains cards with terms relating to multiplication from inverse operations to front-end estimation to array. Each sheet contains two cards; one with the word and one with the definition.