Common Core math · ages 7–8
Grade 2 math video lessons
Hundreds, tens and ones, numbers to 1000, mental math, odd and even, rulers, time and graphs.
Operations & Algebraic Thinking
4 lessons · 22 minOne- and two-step word problems within 100, mental math within 20, odd and even numbers, and arrays.
Number & Operations in Base Ten
6 lessons · 28 minHundreds, tens and ones, skip-counting, numbers to 1000, and adding and subtracting within 1000.
Measurement & Data
7 lessons · 33 minMeasuring with rulers, length word problems, number lines, time to five minutes, and graphs.
Geometry
2 lessons · 5 minDrawing shapes with given attributes and splitting rectangles into rows and columns of squares.
What Grade 2 math covers
- 2.OA.A.1 Use addition and subtraction within 100 to solve one- and two-step word problems.
- 2.OA.B.2 Fluently add and subtract within 20 using mental strategies.
- 2.OA.C.3 Determine whether a group of objects (up to 20) has an odd or even number of members.
- 2.OA.C.4 Use addition to find the total number of objects arranged in rectangular arrays.
- 2.NBT.A.1 Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones.
- 2.NBT.A.2 Count within 1000; skip-count by 5s, 10s, and 100s.
- 2.NBT.A.3 Read and write numbers to 1000 using base-ten numerals, number names, and expanded form.
- 2.NBT.B.5 Fluently add and subtract within 100 using strategies based on place value.
- 2.NBT.B.6 Add up to four two-digit numbers using strategies based on place value and properties of operations.
- 2.NBT.B.7 Add and subtract within 1000, using concrete models or drawings and strategies based on place value.
- 2.MD.A.1 Measure the length of an object by selecting and using appropriate tools such as rulers.
- 2.MD.A.4 Measure to determine how much longer one object is than another.
- 2.MD.B.5 Use addition and subtraction within 100 to solve word problems involving lengths.
- 2.MD.B.6 Represent whole numbers as lengths from 0 on a number line diagram.
- 2.MD.C.7 Tell and write time from analog and digital clocks to the nearest five minutes.
- 2.MD.D.9 Generate measurement data by measuring lengths of several objects.
- 2.MD.D.10 Draw a picture graph and a bar graph.
- 2.G.A.1 Recognize and draw shapes having specified attributes.
- 2.G.A.2 Partition a rectangle into rows and columns of same-size squares.
Standards in short form. See the full Common Core Grade 2 math standards.