Understanding Place Value

Learning Resource Type

Classroom Resource

Subject Area

Mathematics

Grade(s)

Overview

A very important concept students learn in first grade is place value. Let's look at the number 13. What does 13 really mean? We can write 13 in a place value chart. Now we see that 13 is 1 ten and 3 ones. But what does "one ten" really mean?

Mathematics (2019) Grade(s): 1

MA19.1.11
Explain that the two digits of a two-digit number represent amounts of tens and ones.

Vocabulary

Base ten
Decompose

Knowledge

Students know:

how to decompose numbers 11-19.

Skills

Students are able to:

Use place value models or mental strategies to decompose numbers.

Understanding

Students understand that:

a two-digit number represents amounts of tens and ones.
Ten things can be represented as one ten or as ten ones.

Resource Provider

PBS

License Type

CUSTOM

https://aptv.pbslearningmedia.org/resource/5d8f156a-2625-4754-9c7c-725d06773461…

Custom License Type (URL)

https://www.pbslearningmedia.org/help/terms-of-use/#restrictions

Comments or Notes

ALCOS 2019

11. Explain that the two digits of a two-digit number represent amounts of tens and ones.
a. Identify a bundle of ten ones as a “ten.”
b. Identify the numbers from 11 to 19 as composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
c. Identify the numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 as one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).

Approved Date

2020-09-08

Owner (Author)

mfrye

Design by Adaptive Theme