Curated OER
Colorful Math - Subtraction Facts to 20
Parrots are colorful birds and make for some colorful math. Learners subtract to find answers in order to determine how the parrot should be colored. There are 16 problems to solve.
Curated OER
Math Number Writing Exercise: 20
In this number 20 learning exercise, students trace and write the number 20. Students trace the number 8 times, and write the number 90 times.
Curated OER
Practice Writing the Number Twenty
In this practice writing the number 20 worksheet, students practice their printing skills as they trace the number 20 and the word twenty.
Curated OER
Practice Writing the Number Twenty
In this practice writing the number 20 learning exercise, students trace the number 20 and then trace word twenty. Students then practice writing the number and word independently.
Curated OER
Numbers Worksheet
In this writing numbers worksheet, students practice writing the numbers ten, twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety and one hundred seven times each for mastery.
Curated OER
Science Kids: Science Images: Number 20
A large sculpture of the number 20 indicating the address of a building in Liverpool, England.