Curated OER
Addition: Missing Addends Tens and Ones
In this missing addend instructional activity, students fill in missing addends to arrive at given sums. All numbers are 2-digits. A reference web site is given for additional activities.
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Addition-Adding on Tens, Sheet 1
In this adding on tens instructional activity, students add multiples of 10 to given numbers. A reference web site is given for additional activities.
Curated OER
Subtract With Unlike Denominators - Practice 5.4
Fifth and sixth graders subtract 15 mixed fractions with unlike denominators and reduce each one to their simplest form. They write and solve two subtraction problems for each model shown. Pupils find the value of n in four Algebra...
Math Mammoth
Distributive Property
In this math activity, students are given 30 problems to solve involving the distributive property, variables, parentheses, and area problems. The final set of problems asks students to solve problems mentally, without writing them down,...
Curated OER
Add 29, 39, 49 To Any 2-Digit Number
In this addition worksheet, students solve 18 problems in which the number 29, 39, or 49 is added to a two digit number. There are no hints or examples. Problems are in horizontal format for mental math.
Curated OER
The Number Toolbox-Vocabulary Test
In this numbers vocabulary worksheet, learners complete a 10 question matching quiz, matching math terms with their definitions. Answers included on page 2.
Curated OER
Perimeter
In this math worksheet, students learn how to find the perimeter of a polygon. Students read the information and answer 6 questions in which the perimeter of figures is calculated.
Curated OER
Adding Decimals with Hundredths
For this worksheet, students learn to add decimal numbers to the hundredths. Students first compare adding and subtracting decimals with the corresponding fractions in 6 problems. Then students add 35 decimal numbers mentally, filling...
Curated OER
Order of Operations
In this order of operations worksheet, 5th graders review how to solve a problem using the order of operations. Students then determine the order of operations for the first calculation and then complete the second set by multiplying the...
Curated OER
Adding a Single Digit
In this problem solving addition learning exercise, students add three digit numbers to one digit using regrouping. Students solve for 25 problems that are written horizontally on the page.
Curated OER
Add and Subtract Whole Hundreds
In this addition and subtraction worksheet, students add and subtract whole hundred numbers. Students complete 5 problems on this worksheet.
Helping with Math
#10: Solving Equations (2 of 2)
In this prealgebra activity, pupils perform addition, subtraction, multiplication, or division operations to solve for an unknown. There are 12 problems to be solved. Use this as a quiz to assess how well your class is grasping the skill...
Curated OER
Estimation 4: Sum and Difference
In this estimation worksheet, students read story problems, determine the correct operation, and mentally evaluate the problem by using compatible numbers or through the process of rounding. Students complete three multiple choice problems.
Curated OER
Estimation 2: Sum and Difference
In this estimation worksheet, students mentally solve eight multiple choice problems involving addition and subtraction. They arrive at their answers through the process of using compatible numbers or rounding. Students read story...
Curated OER
Estimation: Compatible Numbers
In this estimation worksheet, students read real word problems and mentally estimate answers. Individually, they complete eight multiple choice problems using compatible numbers or rounding to determine their answers. Students evaluate...
Curated OER
Adding Decimals with Hundredths
In this adding decimals learning exercise, students add numbers with decimals in the hundredths place. Students complete 4 sets of problems.
Curated OER
Decimal Numbers
In this adding decimals worksheet, students add numbers with decimals after looking at examples and number lines. Students complete 6 problems.
Curated OER
Subtraction Worksheet: Numbers to 19
For this subtraction worksheet, students solve 36 problems in which numbers below 20 are subtracted. The minuend has two digits and the subtrahend has only one.
Curated OER
Constructions and Loci
In this constructions and loci worksheet, students mentally calculate subtraction, addition and division problems. This two-page worksheet contains 30 problems. Answers are provided.
Curated OER
The Number Toolbox-Vocabulary Test
In this numbers vocabulary worksheet, students complete a 10 question test, matching "number" vocabulary terms with their correct definition. Answers are provided on page 2.
Curated OER
Subtraction Worksheet : Numbers to 19 (1 of 3)
In this subtraction worksheet, students find the differences to 53 horizontal and vertical subtraction problems. They work with numbers up to 19 and do not regroup while working.
Curated OER
Subtraction - Numbers to 19 ( 3 of 3)
In this subtraction worksheet, students find the differences in 30 vertical problems which use numbers up to nineteen. They do not regroup as they solve the problems in which they subtract a single digit number from a two digit number.
Curated OER
Subtraction - Numbers to 12
In this subtraction worksheet, 1st graders solve for the differences in 30 vertical problems in which they use numbers up to 12.