This page provides sample 2nd Grade Number tasks and games from our 2nd Grade Math Centers eBook. Try out the samples listed in blue under each Common Core State Standard or download the eBook and have all the 2nd Grade Number, Geometry, Measurement and Data Centers you’ll need for the entire school year in one convenient digital file. With over 160 easy-prep, engaging centers this resource will simplify your math lesson planning and make hands-on math instruction an integral part of your classroom.
Teaching in a state that is implementing their own specific math standards? Download our 2nd Grade Correlations document for cross-referenced tables outlining the alignment of each state's standards with the CCSS-M, as well as the page numbers in our 2nd Grade Math Centers eBook related to each standard.
Represent and solve problems involving addition and subtraction
2.OA.A.1 Use addition and subtraction within 100 to solve one and two step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g. by using drawings and equations with a symbol for the unknown number to represent the problem.
Word Problems: Add To: Result Unknown (within 100)
Word Problems: Take From: Result Unknown (within 100)
Literature Link: Two of Everything
Literature Link: The Napping House
Literature Link: Counting Crocodiles
Literature Link: Night Noises
Literature Link: The Shopping Basket
Literature Link: My Little Sister Ate One Hare
Add and subtract within 20
2.OA.B.2 Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
Sum Search (9 & 10)
Four in a Row Subtraction
Doubles Plus Two (ver. 1)
The Difference Game (ver. 2)
2.OA.C.3 Determine whether a group of objects (up to 20) has an odd or even number of members, e.g. by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.2nd Grade Math Centers
2.NBT.A.1 Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones. Understand the following as special cases:
a. 100 can be thought of as a bundle of ten tens – called a “hundred.”
b. The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, nine hundreds (and 0 tens and 0 ones).
Race to 100
Base 10 Concentration (v.2)
2.NBT.B.5 Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.2nd Grade Math Centers