Sophia Learning
Sophia: Even Numbers: Lesson 8
This lesson shows even numbers, or numbers which can be evenly divided by two. It is 8 of 13 in the series titled "Even Numbers."
Math Slice
Math Slice Fast Sum
This resource is a set of ten timed practice problems where parameters are selected for the sum and the range of addends. The sum and one addend are given and students determine the missing number to create the sum. Instant feedback and...
ClassFlow
Class Flow: To Regroup or Not to Regroup, That Is the Question
[Free Registration/Login Required] Given base ten blocks and 5 addition problems, the students will demonstrate understanding of the base ten system by choosing to regroup when needed 100 % of the time, with or without visual...
ClassFlow
Class Flow: Addition
[Free Registration/Login Required] Adding whole numbers using long addition.
ClassFlow
Class Flow: Close to 20
[Free Registration/Login Required] This flipchart provides additional practice in number relationships and in solving computation and number problems.
University of Cambridge
University of Cambridge: Nrich: Eggs in Baskets
At this one page website you will not be carrying all your eggs in one basket. Use the clues to figure out how many eggs are in each of the baskets listed. When you have your solution check to see if it is the same as the one available...
National Council of Teachers of Mathematics
Nctm: Illuminations: Five Frame
Count the amounts given to find the total. Five different games are available to practice counting and combining amounts.
OnlineMathLearning.com
Online Math Learning: Addition and Arrays (Grade 2)
A list of suggested activities for addressing CCSS 2.OA.C.4 where students work with arrays and repeated addition. Includes a problem for a 3X5 array and its solution in a video. [8:23]
Mr. Martini's Classroom
Mr. Martini's Classroom: Equivalent Addition Problems: Fill in the Blank
Students choose the correct number to balance the addition equation and create an equivalent sum.
Other
2nd Grade Worksheets: Common Core State Standard 2.oa.4
A collection of four worksheet sets that address the Common Core State Standard 2.OA.4.
Disfruta Las Matematicas
Disfruta Las Matematicas: Hojas De Ejercicios De Matematicas Preescolares
This site contains many worksheets for preschool students. You can see them on the screen and print them with or without the answers.
Fun Brain
Fun Brain: Math Car Racing Game
Players must choose the mathematical expression with the highest value to win. Tests understanding of basic arithmetic skills involving the addition, subtraction, multiplication, and division of whole numbers.
Math Slice
Math Slice: Sequencing (Ordering) Worksheets
This tool allows you to create worksheets where students must sequence a given set of numbers from either greatest to least, or least to greatest.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is an Equation?
Explains the different types of equations and provides examples to solve.