How to learn Grade 2: Mathematics

Alabama academic standards: Mathematics, Grade 2

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1. Geometry · Partition circles and rectangles into two, three, or four equal shares. Describe the shares using such terms as <em>halves, thirds, half of</em>, or <em>a third of</em>, and describe the wh

1. Halves & Quarters of Shapes: Partition circles and rectangles into two and four equal shares and describe them using the words halves, fourths, and quarters
2. Splitting shapes into equal parts (age 7+): Partition circles and rectangles into two, three, or four equal shares; describe shares as halves, thirds, and fourths; recognise that equal shares of identical wholes need not have the same shape

2. Geometry · Identify triangles, quadrilaterals, pentagons, hexagons, and cubes.

1. Angles in triangles (age 7+): Recognise and draw shapes having specified attributes (e.g. a given number of angles or equal faces); identify triangles, quadrilaterals, pentagons, hexagons, and cubes

3. Measurement · Solve problems with money.

1. Halves and quarters (age 7+): Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately
2. Money Addition & Subtraction: Solve simple money problems involving addition and subtraction, including giving change

4. Measurement · Tell and write time from analog and digital clocks to the nearest five minutes, using a.m. and p.m.

1. Telling Time: Minutes: Tell and write the time to five minutes, including quarter past and quarter to, and draw clock hands to show these times
2. Telling time to the minute (age 7+): Tell and write time from analogue and digital clocks to the nearest five minutes, using a.m., p.m., and 12-hour and 24-hour notation

5. Data Analysis · Create a picture graph and bar graph to represent data with up to four categories.

1. Picture & Bar Graphs: Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories; solve put-together, take-apart, and compare problems using information presented in a bar graph

6. Data Analysis · Measure lengths of several objects to the nearest whole unit.

1. Measuring & Plotting Lengths: Generate measurement data by measuring lengths to the nearest whole unit and display the data on a line plot

7. Operations with Numbers: Base Ten · Add and subtract within 1000 using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between additi

1. Addition and subtraction within 1000: Add and subtract within 1000 using concrete models, drawings, and strategies based on place value; understand composing and decomposing tens and hundreds

8. Operations with Numbers: Base Ten · Explain that the three digits of a three-digit number represent amounts of hundreds, tens, and ones.

1. The three digits of a three-digit number: Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones

9. Operations and Algebraic Thinking · Using concrete and pictorial representations and repeated addition, determine the total number of objects in a rectangular array with up to 5 rows and up to 5 colum

1. Arrays for multiplication (age 7+): Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and 5 columns; write an equation to express the total as a sum of equal addends

10. Operations and Algebraic Thinking · Use concrete objects to determine whether a group of up to 20 objects is even or odd.

1. Odd or Even: Determine whether a group of objects (up to 20) has an odd or even number of members

11. Operations and Algebraic Thinking · Fluently add and subtract within 20 using mental strategies such as counting on, making ten, decomposing a number leading to ten, using the relationship between add

1. Fluent adding and subtracting within 20: Fluently add and subtract within 20 using mental strategies; know from memory all sums of two one-digit numbers