Lesley Lynn | SMathSmarts

Math Journaling in Kindergarten

Lesley Lynn May 1st, 2017 Math Grades K-2 1789 1

Check out this video on using Math Journal in Kindergarten as a tool for informal formative assessment!

Building Math Talk

Lesley Lynn April 14th, 2017 Math Grades K-2 1730 1

As part of the Standards for Mathematical Practice, students should be able to construct viable arguments and critique the reasoning of others. Check out the video below to think about how the Same or Different task can be used in…

Assessing Mathematical Fluency

Lesley Lynn April 14th, 2017 Math Grades 3-5, Math Grades K-2 3529 1

It is the end of the school year. You've spent time and energy teaching various math concepts so that your students have a conceptual understanding of content. Students in your class have explored foundations of operations using concrete models and…

Subitizing and Shapes

Lesley Lynn April 13th, 2017 Math Grades K-2, Uncategorized 2501 2

Check out this video by Graham Fletcher on connecting subtizing and geometry! https://gfletchy.com/fresh-ideas/

Using 5 frames to build fluency

Lesley Lynn April 13th, 2017 Math Grades K-2, Uncategorized 8335 3

By the end of Kindergarten, students are required to fluently add and subtract within 5. Throughout the year, students have built conceptual understanding of addition and subtraction through joining and separating situations. They've also have ample experience working with Five…

13 rules that expire in Math!

Lesley Lynn April 4th, 2017 Math Grades 3-5, Math Grades 6-8, Math Grades K-2 2385 1

Have you ever heard someone say, "When you multiply, your product is always greater than your factors", "When you divide, your quotient is always less than your dividend and divisor." Are these statements always true? Are we inadvertently teaching misconceptions…

Joining and separating….using actions to understand addition and subtraction

Lesley Lynn March 30th, 2017 Math Grades K-2, Uncategorized 2998 3

According to MAFS.K.OA.1.1, students in kindergarten are required to, "Represent addition and subtraction with objects, fingers, mental images, drawings, sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations." They are also required to, "Solve addition and subtraction word…

Make a Ten Card Game

Lesley Lynn March 28th, 2017 Math Grades K-2, Uncategorized 4304 1

MAFS.K.OA.1.4, states that, "For any number from 1 to 9, find the number that makes 10 when added to the given number, e.g., by using objects or drawings, and record the answer with a drawing or equation." A fun game…

Using real world math to build an understanding of addition and subtraction concepts!

Lesley Lynn March 1st, 2017 Math Grades 3-5, Math Grades K-2 1254 2

Students are naturally inquisitive and observant! Why not use these characteristics to teach new concepts! One-way to utilize students problem solving abilities is through Three-Act-Tasks. Three-Act-Tasks allows students to draw on their natural noticing’s and wonderings! The Three-Act-Tasks consist of:…

The struggle can be real when subtracting!

Lesley Lynn March 1st, 2017 Math Grades 3-5 1623 0

Do you have students in third, fourth, or fifth grade that are struggling with subtraction? Chances are, they missed the concrete phase of modeling subtraction with regrouping. This skill is extremely valuable as per the Mathematics Florida Standards, students in…

Progression of Addition and Subtraction

Lesley Lynn February 24th, 2017 Math Grades K-2 2467 3

The Progression of Addition and Subtraction is a wildly discussed topic in elementary schools. It is important that we do not rush students' understanding of the operations. Learning should be anchored in the foundational understanding of joining and separating situations,…

Teach for Understanding

Lesley Lynn February 11th, 2017 Math Grades K-2 1286 1

Check out this quick video on teaching concepts through concrete and pictorial models to increase understanding.

Preparing for Computer Based Testing

Lesley Lynn February 6th, 2017 Math Grades 3-5, Uncategorized 1890 0

Check out this quick video on preparing for Computer Based Testing.

Counting to 100

Lesley Lynn January 25th, 2017 Math Grades K-2 1324 0

According to the standard, MAFS.K.CC.1.1, students are required to, "Count to 100 by ones and by tens." During the school day, there are many opportunities for students to practice rote counting such as: Counting the number of chairs in the…

Should I take the road less traveled?

Lesley Lynn January 23rd, 2017 Math Grades 3-5 1392 0

We've all heard the saying, "The shortest distance between two points is a straight line." Last week, as I was walking around a school, I thought to myself, is that saying true? Are there certain routes within a school building…

Money, money, money!

Lesley Lynn January 11th, 2017 Math Grades 3-5 1292 0

Like most people, for my New Year resolution, I resolved to save more money!!! To accomplish this, I plan to save all my dimes in a Mason jar "bank." My goal is to fill the mason jar completely! Your task…

Where is the Math?

Lesley Lynn January 3rd, 2017 Math Grades 3-5, Math Grades K-2 1198 0

What math do you see in this picture? According to the Standards for Mathematical Practices, "Mathematically proficient students make sense of quantities and their relationships in problem situations." How might students make sense of the quantities in this picture? What…

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Author Lesley Lynn