Peg and Cat: Counting by Tens

Learning Resource Type

Classroom Resource

Subject Area

Mathematics

Grade(s)

1

Overview

Use this video with children to count along with Peg, Cat, and friends as they collect and count space rocks by 10s. While collecting space rocks for NASA, Ramone has time to show Peg, Cat, Richard, and Pig how to count by 10s to 100.

Mathematics (2019) Grade(s): 1

MA19.1.14

Given a two-digit number, mentally find 10 more or 10 less than the number without having to count, and explain the reasoning used.

UP:MA19.1.14

Vocabulary

  • Ten more
  • Ten less

Knowledge

Students know:
  • how to mentally find 10 more or 10 less of a two digit number and explain reasoning.
  • place value vocabulary: tens, ones.

Skills

Students are able to:
  • mentally add or subtract 10 from a number in the range from 1
  • 100.
  • Explain their reasoning using place value understanding and patterns.

Understanding

Students understand that:
  • patterns in the place value system can be used to mentally compute sums and differences.
Mathematics (2019) Grade(s): 1

MA19.1.15

Subtract multiples of 10 from multiples of 10 in the range 10-90 (positive or zero differences), using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction. Relate the strategy to a written method and explain the reasoning used.

UP:MA19.1.15

Vocabulary

  • Multiple of 10

Knowledge

Students know:
  • place value models for adding and subtracting numbers less than 100.
  • Strategies for adding and subtracting multiples of 10.

Skills

Students are able to:
  • use models and strategies to find and record solutions to problems where a multiple of 10 is subtracted.
  • Explain their strategies.

Understanding

Students understand that:
  • patterns in the place value system can be used to mentally compute sums and differences.

CR Resource Type

Audio/Video

Resource Provider

PBS

License Type

Custom
https://aptv.pbslearningmedia.org/resource/ee3eaf49-5b23-40cb-895d-933c6ddc1bc1…

Custom License Type (URL)

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

Comments or Notes

This video is accompanied by an activity.

2019 ALCOS

14. Given a two-digit number, mentally find 10 more or 10 less than the number without having to count, and explain the reasoning used.

15. Subtract multiples of 10 from multiples of 10 in the range 10-90 (positive or zero differences), using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction. Relate the strategy to a written method and explain the reasoning used.

Approved Date

Owner (Author)

mfrye
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