Curated OER
Multiply and Divide by 10 and 100
In this multiplication and division worksheet, learners use a calculator to fill in 2 tables by multiplying and dividing by 10 and 100. They also answer 4 questions about what happens when a number is multiplied or divided by 10 or 100....
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Subtraction as the Opposite of Addition
In this basic math operation worksheet, students learn that subtraction is the inverse of addition. They then solve 8 subtraction problems and use addition to check the answers. Answers are available on the second page.
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Large Numbers Reasoning Questions
In this large number reasoning instructional activity, students answer 5 questions that require them to use large numbers such as 1,000,000. They answer multiple choice questions and explain their reasoning.
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Large Numbers- Reasoning Worksheet
For this large number reasoning worksheet, 5th graders use numbers in the hundred thousands and millions as the reason the answers to 5 problems. They explain their work and describe how they made decisions when finding answers.
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Mental Arithmetic--Adding to Thousands
In this adding to thousands worksheet, students mentally add 12 problems as fast as they can without using paper and only writing down their answers. Students solve 3 additional addition problems and then explain what method they used to...
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Mental Arithmetic - Adding to Thousands
In this addition activity, students solve the 15 addition problems using mental math. The last 3 problems ask that students write down the method they used to solve the problem. In these problems, a 4-digit number is added to a 1-digit...
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Subtraction: Number Square
In this subtraction worksheet, students use the number square on the page to help them solve the ten 2-digit subtraction problems. The answers are on the second page.
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Understand 'Take From''
In this subtraction instructional activity, learners practice solving subtraction problems which use the "Take from" phrase. The problem will state "Take 4 from 5". Students solve this using the number line and then write the answer in...
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Favourite Colours
For this colors worksheet, students survey 20 people on what their favorite color is. They mark the results using tallies. Students then take their data and put the totals in a frequency table.
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Count 0-9
In this counting worksheet, students count the number of dots in a square, writing totals beneath each. Sheet uses numbers 0-9 only. A reference website address is included.
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A Metre
In this measurement worksheet, students use a tape measure or a ruler to measure items in the classroom to find those that are greater than 100 cm and less than 100 cm.
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Subtraction Practice
In this subtraction worksheet, students use a grid to complete a set of 10 problems written in sentence form. A reference website for additional resources is given.
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Complete the Number Sentences
In this addition worksheet, students use three digit addition and solve for missing addends. Students master 15 problems filling in the missing numerals for each.
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What Must Be Added?- Mental Math
In this mental math worksheet, 4th graders determine what needs to be added to each number to make the given sum using mental math. They work with multiples of 100 and 1000.
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Problems in Miles
In this distance worksheet, students look at a drawing which shows the distances, in miles, between different cities. They then answer 6 questions using the distances in the drawing. The answers are on the second page.
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Problems with Miles
For this distances worksheet, students use the drawing at the top of the page, which contains cities and distances in miles, to answer the 5 questions. The answers are on the second page.
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Revise Subtraction (pg. 2)
In this subtraction worksheet, the students figure out 14 subtraction problems using regrouping, decimals, positive and negative numbers. The students must tell if the problems are true or false.
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Make 80
In this addition worksheet, students solve 15 addition and subtraction problems using 2-digit numbers. The answers are on the second page.
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Addition and Subtraction as Inverse Operations
In this addition and subtraction learning exercise, students work with the inverse operations. They fill in the boxes in 8 examples using mental math. They look at the addition problems and fill in the blanks in the subtraction problem...
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Number Tracks: Counting in Steps in 1
In this counting learning exercise, students fill in 5 number tracks by counting in steps of 1. They begin at the bottom and count up using the numbers given in the tracks to determine the rest of the numbers that should be included.
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Counting in Steps of 1
In this counting by ones worksheet, 2nd graders complete 5 tracks by filling in the missing numbers. They begin at the bottom of each track and count up using the given numbers as clues to the missing ones.
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Count In Steps of One
In this counting and coloring sets worksheet, students are given instructions to color a specified number of pencils in a set. There are 5 problems. Note: The directions use the UK spelling of "colour".
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Count In Steps of One (pg 6)
In this counting worksheet, students count and color 6 and 7 pencils or apples out of larger sets. The English spelling of "colour" is used.
Digital History
Representation: By State or by Population
Should representation in the new United States government be based on population? This worksheet illustrates the details of this important quandary through an adaptation of speeches on the topic given at the Constitutional Convention....