Explore the ideas and history behind numbers, shapes, patterns and mathematical thinking. Choose an article below; its reading controls let you move between the available levels.
1,419 public articles · Page 8 of 30
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Math helps us see how things move. It can show how wind blows. It can show how water flows. We use it to study big forces. It helps us understand our world. Can you see patterns in the air?
Early Reader · Change the reading level on the articleYou can use arrows to show things. These arrows can move in many ways. You can put two arrows together. You can also make one arrow longer. This helps us see how things move. It is very cool! Can you find an arrow?
Early Reader · Change the reading level on the articleYou can use circles to sort things. Draw two circles. Let them overlap in the middle. One circle can be for things that fly. One can be for things with two legs. A bird fits in both! It is a fun way to see how things…
Early Reader · Change the reading level on the articleWaves move in many ways. They can move through water. They can move through air. Waves help us hear sound. They help us see light. Can you see a wave?
Early Reader · Change the reading level on the articleWilliam was a man who loved math. He was very good with numbers. He also looked at the stars. His work helps us learn about light. He was a great thinker. Do you like to count things?
Early Reader · Change the reading level on the articleSome numbers go below zero. One of these is called minus one. If you add it to one, you get zero. It helps us count in new ways. We use it to find balance. Do you like to count?
Early Reader · Change the reading level on the articleThis is a special shape. It lives in a world with four sides. It is made of many small parts. These parts look like tiny pyramids. It is a very neat shape. Can you see its points?
Early Reader · Change the reading level on the articleSome shapes live in a new way. They have many sides. This one has twenty-four parts. It is a very special shape. It helps us learn about space. Can you see its parts move?
Early Reader · Change the reading level on the articleImagine a shape for our whole world. It can look just like our space. It might even wrap around in a loop. This helps us study the stars. It is a big puzzle. Do you want to explore space?
Early Reader · Change the reading level on the articleA sphere is a round shape. It is like a ball. This shape is even bigger. It has a fourth way to move. You can go many ways. Can you find a ball?
Early Reader · Change the reading level on the articleMath can look at space. Space has many parts. Some parts have four ways to move. This helps us learn about our world. It can even help us study stars. Can you think of a shape?
Early Reader · Change the reading level on the articleSome shapes live in a new way. They have five points. They use five small shapes. It is a very simple shape. It is hard to see. Can you find a shape?
Early Reader · Change the reading level on the articleMath people look for patterns. They use three numbers. These numbers work in a special way. It helps them solve big puzzles. It is a very big mystery. Can you find a pattern too?
Early Reader · Change the reading level on the articleAbraham liked to solve puzzles. He used math to study games. He even studied how stars move. This helped many people learn. He was a great teacher. Do you like math puzzles too?
Early Reader · Change the reading level on the articleSometimes we add many numbers together. We can move them around. The total stays the same. This is a nice way to add. It helps us find the right answer. Can you find a pattern in numbers?
Early Reader · Change the reading level on the articleThink about a line. Zero is in the middle. Some numbers are to the left. Some are to the right. We can count how far they are from zero. This tells us the distance. Distance is never a small, bad number. It is always…
Early Reader · Change the reading level on the articleWe can try two things to see which is best. One group sees a blue button. Another group sees a green button. We watch to see which one they pick. This helps us learn what people like. It is a fun way to find out. Do…
Early Reader · Change the reading level on the articleLong ago, a man named Abu Kamil lived in Egypt. He loved to work with numbers. He found many ways to solve hard puzzles. His work helped people learn math. He was a great thinker. Can you find numbers in your room?
Early Reader · Change the reading level on the articleWe use a special way to measure water. It is a lot of water. It can fill a big pool. This helps us know how much water we have. It helps us share water fairly. Do you like to swim in big pools?
Early Reader · Change the reading level on the articleSome people use math to plan for the future. They look at what might happen. This helps people stay safe with money. It can help with doctors or jobs. It is a very smart job. Do you like math?
Early Reader · Change the reading level on the articleYou can count things in groups. You can join them together. This helps you find a big total. It is a way to count more. It makes math fun. Can you count your toys in groups?
Early Reader · Change the reading level on the articleSome math rules work by adding. We can group things together. Then we add the parts. This helps us find a total. It makes big jobs easy. Can you find patterns too?
Early Reader · Change the reading level on the articleImagine dots joined by lines. We can use a grid of numbers to show these dots. The grid tells us which dots touch. It helps computers see the patterns. It is a smart way to map things. Can you see the connections?
Early Reader · Change the reading level on the articleMath has many ways to link ideas. Some ideas work like a team. One part helps the other part. This helps us find the best way to solve a problem. It works in many kinds of math. It is a very neat trick. Can you find…
Early Reader · Change the reading level on the articleSome lines never meet. We call them parallel lines. They stay the same distance apart. This helps us study shapes. It is a way to look at lines. Can you find parallel lines?
Early Reader · Change the reading level on the articlePoints are little spots in space. They have no size. You can draw lines through them. You can also make flat planes. Lines can run side by side. They never meet. This is called being parallel. Can you find parallel…
Early Reader · Change the reading level on the articleYou can move shapes in new ways. You can slide them or turn them. You can even make them look stretched. Lines that stay side by side stay that way. It helps us make art. Do you like to move shapes?
Early Reader · Change the reading level on the articleSome numbers are very special. They can only be split in one way. We call these prime numbers. Three smart people found a new way to find them. This way works for any number. It is a big help for math. Can you find a…
Early Reader · Change the reading level on the articleSome things go on forever. We can count things that never end. One man found a way to name them. He used a special name for these big groups. These names help us see how big they are. Do you like to count things?
Early Reader · Change the reading level on the articleMath can look at shapes and patterns. It uses rules to study them. These rules help us count things. It can help us see how things fit. Math is all around us. Can you find a pattern today?
Early Reader · Change the reading level on the articleMath helps us find a missing number. It is like a puzzle to solve. We use it to find answers. It can help you every day. Math is fun to learn. Can you find a number puzzle?
Early Reader · Change the reading level on the articleWe use math to solve puzzles. We use numbers and letters. Letters can stand for a number. This helps us find things. It is like a secret code. Can you find a code? Math is fun to use!
Early Reader · Change the reading level on the articleMath can use rules to find answers. We can add or take away. We can also use groups. These rules help us find new things. Math is all around us. Can you find math at home?
Early Reader · Change the reading level on the articleMath uses rules to work. Rules help us group things. We can add or take away. Rules help us solve puzzles. It is fun to learn. Can you find a pattern?
Early Reader · Change the reading level on the articleMath helps us play with groups of things. We can add them up. We can also multiply them. This helps us find new patterns. It makes math very fun. Can you find patterns in your room?
Early Reader · Change the reading level on the articleWe can play with numbers. Pick a number. Find the smaller numbers that fit inside it. Add those small numbers up. This helps us learn about numbers. It is a fun math game. Can you try it?
Early Reader · Change the reading level on the articleA man wrote a math book. It was long ago. The book helps us find numbers. It helps us find shapes too. We use it to learn math today. Do you like math?
Early Reader · Change the reading level on the articleA man named Al-Karaji loved math. He lived a long time ago. He found new ways to count. He also studied how water moves. His work helps us learn today. Can you find shapes in your room?
Early Reader · Change the reading level on the articleAlonzo Church loved math. He used math to help make computers. He found new ways to think about numbers. His work helps us use machines today. He was a great teacher. Do you like math too?
Early Reader · Change the reading level on the articleYou can move things in many ways. You can swap them around. Some ways are even. Some ways are odd. This math looks at the even ways. It helps us solve puzzles. Can you move the tiles?
Early Reader · Change the reading level on the articleYou can break things apart to learn. It helps you see how they work. You can look at small parts of a big thing. This helps you understand it better. It is a smart way to think. Can you find small parts in your toys?
Early Reader · Change the reading level on the articleComputers use steps to do work. Some ways take a long time. Other ways are very fast. We can find the best way. This helps computers work well. Can you find a fast way to do things?
Early Reader · Change the reading level on the articleWe can use math to group things. It helps us see if groups are different. We can look at dog weights. Some dogs are big and some are small. This helps us learn about them. Can you find groups of things?
Early Reader · Change the reading level on the articleSome math rules follow a pattern. They use many small parts to make a whole. These parts can be added together. This helps us see how things change. It helps us know what comes next. Do you like patterns?
Early Reader · Change the reading level on the articleAnatol Rapoport loved math. He used math to study people. He wanted to help find peace. He showed how being kind helps. His work matters to us today. Do you like to help friends?
Early Reader · Change the reading level on the articleAnatoly Fomenko likes math. He studies shapes. He also makes art. He writes books too. He is a teacher. Do you like math?
Early Reader · Change the reading level on the articleAndré Weil loved numbers. He found patterns in shapes. He helped many people learn math. His ideas were very big. He even had an asteroid named after him. Do you like math too?
Early Reader · Change the reading level on the articleAndrew Wiles loves math puzzles. He found a hard problem when he was ten. He worked for a long time to solve it. His work helped many people. He is a great math teacher now. Do you like math puzzles too?
Early Reader · Change the reading level on the article