Counting Groups of 10 Activity

Number cards from 10 through 120 are matched to activity cards showing that many objects grouped into tens, teaching place value through a self-checking card game.

Grades: Grade 1, Elementary
File type: PDF
Preparation: Print ready

Updated Jul 11, 2021

Subject: Numbers, Math
Topic: Skip Counting
Resource types: Activities
Preparation: Print ready
Ontario expectations: B1.1

From the author

About this resource

This activity is perfect for helping students learn to count by 10s. By using the ten frames, students will be able to see the patterns in our number system and count all the way to 120. This is a great way to build number sense!

In the classroom

Teaching tips & learning objectives

Learning objectives

Match a two-digit multiple of ten to the correct number of ten-groups.
State that a number like 50 represents five tens and zero ones.

Teaching tips

Use as a self-checking math center -- students match cards independently since a mismatched pair would look visually wrong.
Extend a completed 10-90 set by asking students to predict what card would come next (100, then 110, 120).
Introduce the 'Numbers 11-19' portion of the set separately from the tens-matching cards to avoid conflating teen numbers with multiples of ten.

Skills covered

Place-value understanding of tens -- students match number cards (10, 20, 30 ... 120) to sets representing that many groups of ten.
Skip counting by tens -- students work with the sequence 10, 20, 30 ... 100, 120 as they sort and match cards.

Good to know

Questions teachers ask about this resource

How does the 'Numbers 11-19' card set relate to the tens-matching activity?

The file lists 'Numbers 11-19' as a separate heading from the tens-matching cards, which suggests an additional teen-number card set included alongside the groups-of-ten matching cards, though the text does not describe how those teen-number cards are formatted or used within the same activity.

What is the number-card sequence used in this tens-matching set?

The extracted number-card text runs by tens from 10 through 90, then jumps to 100 and 120, covering that range for the groups-of-ten matching activity.

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Ontario curriculum

Ontario curriculum expectations

Ontario expectations

B1.1 — Ontario Grade 2 Mathematics B1.1: read, represent, compose, and decompose whole numbers up to and including 200, using a variety of tools and strategies, and describe various ways they are used in everyday life.