Curated OER
Prime Factors
In this prime factor worksheet, students write numbers as a product of primes. Explanations and examples are provided prior to the exercise. This two-page worksheet contains ten problems.
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Ordinal Numbers and Roman Numerals
In this ordinal numbers worksheet, students color the ordinal numbers in people and write the ordinal number for different one and two digit numbers. Students complete 10 problems.
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Adding Greater Numbers
In this adding greater numbers activity, students solve 13 problems in which four numbers are added in a column. Most numbers are four or five digits; students will need to regroup more than once.
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My Test Book: Addition and Subtraction
In this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding addition and subtraction of 2-digit numbers. Students may view the correct answers.
Curated OER
Count on Whole Tens
In this counting instructional activity, students complete a set of 5 problems, adding a "whole ten" number to a 3-digit number, then complete 6 additional problems, adding 90 to given numbers.
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Addition
In this mental addition worksheet, students read the method for adding a series of three 2 digit numbers without paper and pencil. Students solve 16 mental addition problems.
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Problem-Solving Decision: Explain Your Answer - Reteach
In this problem solving activity, 3rd graders solve 3 word problems in which they add or subtract with three digit numbers. They write an explanation of how they solved the problem.
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.
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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 1 and 2 digit numbers. Students may submit their answers to be scored.
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Integers Computation
In this integers computation worksheet, students solve 96 problems that require them to add, subtract, multiply, and divide using 1 and 2-digit integers.
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Estimating and Rounding-Pretest Questions
In this estimating and rounding worksheet, students complete a set of 10 multiple choice questions. Students may click on a link for answers or to print page.
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Create and Solve
For this word problem worksheet, 2nd graders solve 6 math riddles. They use a hundreds chart as needed to start at a given number and add on to find the answer.
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Addition Strategies: Compensation
In this math worksheet, students learn the addition strategy of compensation: adding an easy number like 10, 20 or 30 and then subtracting a very small number like 1 or 2. Students solve 12 problems on the page.
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Adding 6's (B)
In this addition worksheet, students enhance their addition skills by adding the number 6 to a number. Students add to solve the 50 problems.
Creative Chemistry
Comparing the Degree of Unsaturation of Margarine with that of Butter
Is butter better? In terms of saturation, young chemists find out! Using titration methods, they will compare the degree of saturation of butter with that of margarine. Knowing the unsaturation, they can make conclusions about the...
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Exploring Regrouping
For this math worksheet, students regroup tens as ones. The worksheet shows groups of ten dots that students circle and then regroup as ten ones dots. They apply the regrouping method by regrouping two numbers.
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Seven Times Table
In this math instructional activity, students recall their multiplication by 7 by completing 12 questions. Each question, written in words, asks for a math solution to a problem involving weeks.
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A Place for Each Number
In this number sense worksheet, 3rd graders look and analyze 4 different shapes joined together with a box of specific numbers next to them. Students read 11 clues and place each number in the right shape.
Noyce Foundation
Sewing
Sew up your unit on operations with decimals using this assessment task. Young mathematicians use given rules to determine the amount of fabric they need to sew a pair of pants. They must also fill in a partially complete bill for...
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Put Patterns to Work for You!
In this patterns worksheet, students complete multiplication charts and division problems to solve pattern problems. Students complete 11 problems total.
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Significant Digits
In this significant digits worksheet, students are given the rules for determining the number of significant digits in calculations and measurements and they solve 5 problems.
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Multiplying in Columns, Standard Way
In this multiplying and carrying worksheet, students compare the standard algorithm with the multiplying in parts method and their examples, choose which method to use, and find the products. Students solve twenty problems.
Math Mammoth
Multiplying in Columns, Standard Way
In t his multiplication worksheet, students read about column multiplication and complete 22 problems. A website reference for additional resources is given.
Curated OER
Nine Months in School
In this multiplication worksheet, 3rd graders solve nine short word problems by multiplying by nine. There is an answer sheet included.