Grade 2

Place Value Unit

The Place Value Unit involves understanding the relative position, magnitude and relationships within the numeration system in order to answer questions such as:

  • How could you use base-10 blocks to show what the numerals in this number mean?
  • How can you use the additive property of place value (expanded notation) to decompose the number 997?
    (900 + 90 + 7)
  • What ways can you show the number 934 without changing its value?

Grade 2 - Place Value Unit

Composing and Decomposing Shapes Unit

The Composing and Decomposing Shapes Unit use properties of geometric figures to take them apart and put them together in order to answer questions such as:

  • How many different ways can you put pattern blocks together to form a hexagon? How can you prove each shape you have created is a hexagon?
  • How can you cut a square into four identical triangles? How can you prove each of the figures is a triangle? How can you prove they are identical? If your square is ONE WHOLE, what is the fraction name of each of your identical triangles? How do you know?

Grade 2 - Composing and Decomposing Shapes Unit

Comparing Numbers Unit

The Comparing Numbers Unit involves understanding the relative position and magnitude of whole numbers, and their relationships within the numeration system. Students will answer questions such as:

  • Which number is greatest? Least? How do you know? How can you use symbols to show these relationships?
  • How can you order these numbers from least to greatest? How can you prove you are correct?
  • How can you use a number line to show the relationships between numbers?

Grade 2 - Comparing Numbers Unit

Data Analysis Unit

The Data Analysis Unit involves organizing information to make it useful for answering questions such as:

  • Who might be interested in the information in your graph? Why?
  • What questions CAN be answered using information from your graph?
  • What questions CANNOT be answered using information from your graph?
  • What predictions can you make using information from your graph?

Grade 2 - Data Analysis Unit

Measurement Unit

The Measurement Unit involves understanding the process of measuring—identifying the attribute being measured (such as length or area); identifying an appropriate unit (such as a unit of length or a unit of area); estimating the number of those units it will take to equal the object being measured; skillfully comparing the unit to the object being measured (no gaps, no overlaps); and using a number and unit to communicate the measurement to someone else. Questions to be answered may include:

Grade 2 - Measurement Unit

Geometry Unit

The Geometry Unit involves analyzing attributes of two-dimensional shapes in order to answer questions such as:

  • How can you create a shape with six sides and six vertices?
  • How are these shapes alike? How are they different? How can you prove they are all polygons?
  • Why is a circle NOT a polygon?
  • How can you prove that a square is a special rectangle?

Grade 2 - Geometry Unit

Algebraic Reasoning Unit

The Algebraic Reasoning Unit involves understanding number patterns within properties of numbers and operations in order to answer questions such as:

  • How can you prove this number is odd or even?
  • How can you use the relationship between addition and subtraction to solve problems in which the unknown may be any one of the terms in the equation?
  • Give an equation in which the unknown may be any one of its terms, how can you create a situation to match it? How can you prove that your situation matches the equation?

Grade 2 - Algebraic Reasoning Unit

Multiplication and Division Unit

The Multiplication and Division Unit involves understanding multiplication situations in which equal groups are joined and division situation in which a whole is separated into fair shares or equal groups. Question to answer may involve:

  • If I know the number of equal parts and the number in each part, how can I find the whole?
  • If I know the whole and the number of equal parts, how can I find the number in each part?
  • If I know the whole and the number in each part, how can I find the number of equal parts?

Grade 2 - Multiplication and Division Unit

Problem Solving with Money Unit

The Problem Solving with Money Unit involves knowing the relationship between U.S. coins, how to use skip counting and other methods to find the value of a collection of coins, and answer questions such as:

  • If you have saved a given amount of money and you know a toy costs a certain amount, how can you figure out how much more you need to save to buy the toy?
  • If you have a collection of coins worth 30 cents and put a quarter in your bank every week, how much money will you have in three months?

Grade 2 - Problem Solving with Money Unit

Addition and Subtraction Unit

The Addition and Subtraction Unit involves understanding the processes of addition and subtraction in order to solve problems and answer questions such as:

  • If we know all of the parts, how can we find the whole?
  • If we know the whole and one of the parts, how can we find the missing part?
  • How can you use place value to explain the strategies you used to solve this addition (subtraction) problem?
  • Given an equation, can you create an addition or subtraction situation to match it? How can you prove your situation matches the equation?

Grade 2 - Addition and Subtraction Unit

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