- Common Core MathK - 8
- Grade 1
- Grade 2
- Grade 3
- Grade 4
- Grade 5
- Grade 6
- Grade 7
- Grade 8
Grade 2: Operations and Algebraic Thinking337 questions21 skills
Grade 2: Operations and Algebraic Thinking
337 questions21 skills
157 questions12 skills
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.
Solve problems with picture graphs
Add and subtract on the number line word problems
Subtraction word problems within 100
2-step subtraction word problems within 100
Adding up to four 2-digit numbers word problems
Length word problems
Solve problems with line plots
Adding up to four 2-digit numbers
2-step addition word problems within 100
Solve problems with bar graphs
Length word problem (US customary)
Addition word problems within 100
138 questions6 skills
Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
12 questions1 skill
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.
30 questions2 skills
Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.