Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.
Find numbers ten more or ten less than a given two- or three-digit number with this set of 20 task cards.
Identify ten more or ten less of a given 2-digit number with this set of 36 match up cards
Practice or review adding and subtracting 10 from a given number.
Practice adding and subtracting 10 from given numbers within 100 in this cut-and-paste worksheet.
Practice identifying 10 more and 10 less than a given number with our set of 24 task cards.
Practice adding ten more or subtracting ten from a particular number with a set of 27 dominoes.
An interactive worksheet to practice finding the number that is 10 more and 10 less than a given number.
Build number sense skills with this set of 20 task cards.
A black and white number chart showing the numbers 1-120.
A set of 5 work mats for students to use when working on specific math concepts.
A black and white number board with numbers 1-120 that can be used for a variety of activities.
9 posters outlining mental math strategies for addition.
A number grid game to practice determining a number that is 1 more, 1 less, 10 more, and 10 less than a given number.
A number chart and number finder template to use when learning to identify numbers that are 1 more, 1 less, 10 more, and 10 less than a given number.
A number of the day worksheet with a variety of tasks to practice number sense skills.
Numbers 1 to 100 displayed on a bright and colorful poster.
Numbers 1 to 100 displayed on a bright and colorful poster.
Numbers 1 to 100 displayed on a bright and colorful poster.
Numbers 1 to 100 displayed on a bright and colorful poster.
Numbers 1 to 100 displayed on a bright and colorful poster.
A collection of number talks teaching resources that support meaningful and highly engaging conversations in the mathematics classroom.