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Math Worksheets For All Ages

Math Worksheets Land

Math Worksheets For All Ages

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Same Size Worksheets

This skill sets the foundation up for students to base all their comparisons. In order to be able to identify differences between things, you also need to understand when no difference is present. That all depends on your concept of being the same. We also need to help students understand that an object, person, or thing can be the same in some categories and different within others. That will be the next step after they have mastered this skill. We will help students with this using geometric shapes and compare and contrast the differences between them. These worksheets help students understand how to identify objects that are very similar sizes.

Aligned Standard: K.MD.A.3

  • Answer Keys - These are for all the unlocked materials above.

Lesson Sheets

Which sea horses are the same size?

  • Lesson 1 - The first object and the third object are the same size. The second object is bigger than the first and third. Draw circles around the first and third objects.

Practice Worksheets

Time to progress to comparing 3 and 4 objects in a set.

  • Practice 1 - Underline the objects that are the same size.
  • Practice 2 - Draw a box around the objects that are the same size.
  • Practice 3 - Circle the animals that are the same size.
  • Practice 4 - Clocks and cheese.
  • Practice 5 - Microscopes and fish.
  • Practice 6 - There may be more than 2 answers here.

Teaching the Concept of Same Size

Same Houses in a Neighboorhood

Like many other skills, preschoolers are also taught how to recognize objects if they have similar heights. This gets rather easier for the kids, because it is not really that difficult. Children have already learnt how to categorize stuff on the basis of shared attributes. Another important fact is that children are taught what the differences in heights are. A very small but effective method use Lego blocks. They are even colored blocks which will make them easier to classify. Now take the blocks one by one and make it stand beside the original block. Eventually you will see the rise and fall in heights, which you can explain to your kids. Tell them that the bigger something is, the higher the height of the block, the more it is small, the smaller its height will be. Some of these blocks have the same height and they are known as recognizing same size objects.

Boy Washing Hands

You almost always want to get hands on with them from the get-go. You also want to start with vastly exaggerated examples for them. For example, for height compare the size of a building to a person and an automobile to ant. Once you give them a few contrasting examples slow-walk your way into giving them examples of objects that are the same size. Make certain that is something that they can touch and feel you can do this by giving them a bag of stuff and having them either order or compare the contents of the bag. You can also pair this skill along with the concept of size or mass differences if you would like. Many of my colleagues so this and they have a good deal of success teaching all three at once. I have found that if I teach all three skills at once, there is often several students that do not fully understand one more of skills and they get left behind. I find they often get left behind because it is very difficult for me to assess that they have learned all three of these skills at once. Rather than teaching all three of these skills in an hour. I break it into three twenty-minute lessons over three days. I have had much more success sticking to this approach. I do not want to discourage you from teaching all three skills at once, but just make sure you have a killer assessment in place to make sure you do not lose any of your students along the way.

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