Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, 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. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.
Bring on the day’s lessons with math and English activities that get students excited about learning.
Practice adding 2-digit and 1-digit numbers with this set of 18 number sentence task cards.
Practice addition involving 2- and 1-digit numbers with this drill and practice worksheet.
A template to use when working on counting, addition and subtraction, odd and even numbers, or place value.
Build number sense skills with this set of 24 task cards.
Build number sense skills with this set of 20 task cards.
A hands-on game to play when learning about adding larger numbers.
Practice working on specific math concepts with our set of 5 work mats for students.
9 posters outlining mental math strategies for subtraction.
9 posters outlining mental math strategies for addition.
A set of 10 posters to help students remember double numbers to ten.
Use these cards when working with students on finding and calculating the difference between two amounts.
Cards for students to visually identify the differences.
A collection of number talks teaching resources that support meaningful and highly engaging conversations in the mathematics classroom.