Adding 20 to Numbers Between 1 and 20
In this addition worksheet, learners find the sums in 5 horizontal addition problems in which the addends are between 1 and 20. Then enter and submit the sums online or print the page for use.
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Ten-Frames – A Games Approach to Number Sense
"How can you help students visualize numbers in a way that is compatible with our base-ten number system?" The answer is simple: use ten-frames. Whether they're being used as a part of classroom routines or as instructional tools, this...
K - 3rd Math CCSS: Adaptable
Recognize Even and Odd Numbers by Forming Partners and Equal Groups
Nobody wants to be the odd man out. The first video in this series uses prior knowledge about making fair teams to teach young mathematicians about even and odd numbers. Pictures and number lines offer support as children learn that even...
6 mins 1st - 3rd Math CCSS: Designed
Write Even Numbers as the Sum of Two Equal Addends
Teach young mathematicians that all even numbers can be written as the sum of two equal addends with the third video in this series. This fact is clearly demonstrated with multiple examples, using number lines and visual models to...
5 mins K - 2nd Math CCSS: Designed
Write and Test Equations with Two Equal Addends to Prove that the Sum will Always be Equal
Will the sum of two even numbers always be even? Discover the answer with the fourth video in this five-part series. Multiple examples are presented, using a combination of number sentences and visual models to help young mathematicians...
5 mins 1st - 3rd Math CCSS: Designed
Write Fractions with a Numerator Other than One
Building on the previous lesson, the third video in this series looks at how to identify and write fractions with numerators greater than one. The instructor explains this process with two separate examples, representing fractions as...
3 mins 2nd - 4th Math CCSS: Designed