Illustrative Mathematics
Numbers in a Multiplication Table
Identifying patterns is a crucial skill for all mathematicians, young and old. Explore the multiplication table with your class, using patterns and symmetry to teach about square numbers, prime numbers, and the commutative and identity...
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Comparing 3 Digit Numbers
Warm up your mathematicians with this comparing numbers activity. Because it includes an explanation, consider projecting this as an all-class activity, covering up the answers until after learner responses have been shared. There are...
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Subtracting Bigger Numbers: 2 and 3-Digit Numbers
Subtraction problems are simple - or are they? Fourth graders subtract 2-digit numbers from 3-digit numbers in different formats, including vertical problems, horizontal problems, and word problems. Use this resource at the end of your...
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Comparing Numbers Up to 10 Step-by-Step Lesson
A teacher resource, this scripted lesson details how to explain to learners the steps involved in determining which numbers in a series are bigger or smaller than a given number. The referenced pupil learning exercise is not included.
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Factorization of Integers
In this factorization of integers worksheet, student solve and complete 6 various types of problem. First, they write down the factors for each integer and find the prime factorization. Then, students factorize completely and find the...
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Subtracting Bigger Numbers: 5-, 6-, and 7-Digit Numbers
Can your fourth graders subtract numbers in the millions? Practice subtracting multi-digit numbers with a straightforward activity. The first 12 problems are formatted vertically, while the next two problems are horizontal. The final...
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Easy Worksheet: Ordering Fractions
In this ordering fractions worksheet, middle schoolers solve 4 short answer problems. Students order positive and negative rational number from least to greatest. Middle schoolers find common denominators to determine if a fraction is...
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How To Order Decimals
In this ordering decimal numbers worksheet, learners first read a one page explanation about comparing and ordering decimal numbers. Students then solve ten problems in which a series of 5 decimal numbers is ordered from least to greatest.
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Comparing Fractions
In this comparing fractions worksheet, learners compare fractions that contain 1 digit numbers and identify which is bigger. Students complete 10 problems.
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Comparing Fractions
In this comparing fractions worksheet, students compare fractions that contain 1 digit numbers and identify which is bigger. Students complete 10 problems.
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Do Bigger Pumpkins Always Have More Seeds Than Smaller Pumpkins?
Second graders, in groups, predict the weight of a pumpkin and the number of seeds it might have. Then they find and record the actual weight and actual number of seeds. They compare and contrast the size of the pumpkin to the number of...
Curated OER
When Big Gets Smaller
Upper elementary learners select one of the four phrases stated and write it in each box. Then they choose the best appropriate answer and explain why they chose it for each equation.
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Kindergarten Numbers and Number Sense
Twelve math lessons take kindergartners through the process of number sense and counting. The skills range from counting to ten, filling out ten frames, indicating ordinal position of an object, and counting by fives and tens to one...
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Find the Difference Between Two Numbers
Perfect for younger elementary learners, this slide-show uses images of unifix cubes to show the process of subtraction. There is a complete example and five practice problems learners can complete as you progress through the resource.
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Math: Greater Than, Less Than, Equals
Elementary schoolers learn about using the symbols for greater than, less than and equal to. They answer nine questions using the information they learned. The answers are on the last page of the packet.
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Narrow it Down: Numbers
Elementary learners of all ages utilize their number knowledge by playing a 20 questions style game. They participate in a game in which they ask yes or no questions to a group leader in order to discover which number the leader has...
Illustrative Mathematics
Hand Span Measures
How long is your hand span? Young mathematicians measure their hand span from pinky tip to thumb tip using a centimeter ruler. After rounding to the nearest whole centimeter, learners plot their data on a line plot.
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Decreasing and Increasing Fractions
Use this math lesson to help your fourth graders further their understanding of ordering fractions. After completing some whole-group activities together as a class, pairs of students play an online game which has them compare fractional...
Illustrative Mathematics
Reasoning about Multiplication
In critiquing someone else's theory, learners share insight into their own understanding of mathematical concepts. Fifth graders will explore the notion that products are always larger than their factors. While this statement is true the...
Illustrative Mathematics
Animal Populations
Assume all you know is that the variable Q represents a value that is bigger than the value represented by the variable P. Which is larger P + Q or 2P? The problems in this activity get more complex than that example, and they do a good...
Illustrative Mathematics
Using Benchmarks to Compare Fractions
Introduce a new strategy for comparing fractions by analyzing Melissa's use of benchmarks. Walk the class through her process, calling on students to explain their understanding of each step she took. Then practice this method on two...
Education World
Predicting Pumpkins
If you want more pumpkin seeds, you should get a bigger pumpkin—right? Young harvesters use estimation skills to make a hypothesis about how many seeds they will find in a pumpkin before examining the real number inside.
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Decimal Calculator Numbers
Fourth graders practice working out a hidden number on a calculator by utilizing number sequence in the advanced multiplicative stage seven. They enter a number into their calculator and push the division sign once and go from there.
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Comparisons 3
In this math comparisons worksheet, students compare 2 pairs of pictures in order to determine which in each pair is bigger and which in each pair is smaller.