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Structuring Numbers

Combining and Partitioning Numbers - Blogging at

Subitizing A Foundational Concept For Mathematics Success - Stay At Home Educator

Subitizing: A Foundational Concept For Mathematical Success

Simple Lego Math Game - great for prek and kindergarten as it works on subitizing. - also NWS

Lego Math Game For Preschool - No Time For Flash Cards

"Spot On" 10 frame game

"Spot on" addition game

Lessen van Lisa - Automatiseren - Download these two PowerPoints to work on combinations of 10 and doubles.

Lessen van Lisa - Automatiseren

A set of dot cards for assessing subitizing skills. Includes numbers 3-10.

Three fingers? That's right! Great job subitizing. You must have had an awesome Kindergarten teacher.

Domino adding


"How Many Dots?" Subitizing PowerPoint for Kindergarten (free; from Kindergarten Kindergarten) Also, information on Subitizing

Subitze - Kindergarten Kindergarten

Freebie! Combinations of ten. I like this - can make for different numbers.

Freebie: Make Ten Worksheet

Mrs. T's First Grade Class: 100 Rekenrek

Mrs. T's First Grade Class: 100 Rekenrek

Math Coach's Corner: Handy Ten Frame Placemat with Number Sense Routines. Ten-frames are such a great tool for composing and decomposing numbers, and this ten-frame placement has tons of uses!

Here's a small set of Rekenrek flash cards for practicing numbers to 20. TPT freebie

FREEBIE!!! Rekenrek Flash Cards - Common Core Math

Free This pack contains 12 prompts to use along with a counting frame or rekenrek and two recording pages: 1 fore the single line (10) counting frame an...

Counting Frame (Rekenrek) Prompt Cards and Recording Sheets

The Elementary Math Maniac: Another way to practice combinations of 5, 10 and 20

Tens Frames Puzzles!

First Grade Teacher Lady: Super Saturday!

FREEBIE! Composing Numbers/Addition: Kindergarten Math

FREEBIE! Composing Numbers/Addition: Kindergarten Math

Subitizing is an important skill of mathematical development. It is instantly knowing how many objects there are just by looking.*Print a clas...

Teaching Maths with Meaning: Math Game Monday - 10's Snap

Teaching Maths with Meaning: Math Game Monday Week 3

Roll-a-Snowman game (with printable)

Come Together Kids: Roll-A-Snowman game (with printable)