K20 LEARN
Comparing Numbers And Fruit—More Or Less: Comparing Numbers
A discussion begins a lesson on comparing numbers. Pupils explain how they can show a number, then visit math centers to explore number-making tools. A story read-aloud of More or Less by Stuart Murphy identifies language for comparing...
CK-12 Foundation
Single Bar Graphs: Cupcakes
What is a little cake among friends? Given the relationship between the number of cupcakes five friends have, pupils create a bar graph. The learners answer questions about the graph and adjust the graph if one friend shares some of his...
Illustrative Mathematics
Maria’s Marbles
Ali has more marbles than Maria in some of these word problems, while in others Maria has more marbles than Ali. First graders are tasked to read each word problem and solve how many marbles each girl has.
Mathwire
A Collection of Logic Number Puzzles on the Hundred Board
What's my number? Spark mathematical thinking and have some fun with thirty number puzzles that pose a series of questions to guide learners towards number discovery.
Curriculum Corner
Find the Biggest Number
Scholars answer the question, "Which number is bigger?" by circling the correct number among sixteen pairs of numbers. The given numbers range from 1 to 20.
Curated OER
K-5 Mathematics Module: Number and Number Sense
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency in...