Illustrative Mathematics
The Marble Jar
A jar is filled with 1,500 marbles and customers of a bank can enter a contest to guess the correct percentage of blue marbles. How can an employee at the bank estimate the actual percentage without physically counting all 1,500 marbles?...
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Intermediate 2: Understanding Search Results
Teach your class some strategies for effective searching. Pupils should assess the whole results screen and then determine how to go forward with their searches. A table of strategies is included, as is a challenge. After they complete...
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Pack your Parfleche!
Imagine you are a Plains Indian, a nomad getting ready to follow a herd of buffalo. Now imagine what you would have to pack for your trip. Little ones examine images of a traditional parfleche (packing box), and then create packing lists...
Curated OER
Basketball Bounces, Assessment Variation 2
This un-scaffold summative assessment tasks learners to use the height of a bouncing basketball, given the data in graph and table form, to choose the model that is represented. Learners then use the model to answer questions about...
Curated OER
50 State Quarter Game
Learners, using their knowledge of place value and number sense, play this counting game in small groups, or as a whole class, to see who be the first person to reach 50 cents.
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Multiply By A 2-Digit Number 1
In this multiply by a two-digit number learning exercise, 4th graders multiply mentally twelve equations, calculate the answers to twenty two additional multiplication equations.
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Comparing Shamrock Numbers (I)
In this math learning exercise, students analyze and compare the three numbers in each of 6 shamrocks. Students circle the greatest number in each shamrock. Numbers are between 50 and 100.
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Find Minimum and Maximum
For this math worksheet, students analyze 24 groups of 6 numbers each. Students write the minimum number and the maximum number in each set. There are no examples; it appears that students are to write the biggest and smallest numbers in...
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Name that Number
First graders state numbers from 1 to 100. In this name that number lesson, 1st graders must identify and state 10 random numbers given on a worksheet.
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High School Mathematics Problems from Alaska: Cigarette Smoking
Learners analyze the monetary cost associated with smoking. Students use statistics to determine life expectancy and cost associated with smoking.
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Organization of the Elements and Periodic Table
Learners identify how to relate the position of an element in the periodic table to its atomic number and atomic mass. They also identify and interpret how to use the periodic table to identify metals, semimetals, nonmetals, and...
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Counting Game
Students play a counting game in this PowerPoint. They work as a class to identify the numbers 1-54 sequentially from a number jumble. After two minutes the slide transitions into a grid so students can see how finding data is easier...
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Percents and Fractions
For this percents and fraction worksheet, students read short story problems, write an equation, and determine the percent or fractional part of a given number. They use the work backwards strategy to determine the initial number. This...
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Patterns Based On Addition
In this on-line math worksheet, 3rd graders complete 10 multiple choice questions where they find the missing number to a pattern by using addition. Students can check their answers at the end of the worksheet.
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Goats Dot to Dot
In this counting dot to dot, students connect the numbered dots to form the outline of a goat. Numbers go in order from 1 to 58. The picture may be colored after the dot to dot part is complete.
Curated OER
Greatest Common Factor: Reteach
In this greatest common factor worksheet, students review the different ways to find the greatest common factor for numbers including listing all the factors and finding prime factorization with factor trees. Students then list the...
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