2.D.1.3 Write and solve one-step word problems involving addition or subtraction using data represented within pictographs and bar graphs with intervals of one.
In a Nutshell
In second grade, students will use data from a pictograph or bar graph and write and solve addition or subtraction word problems. In third grade students will be expected to write and solve one- and two-step problems using categorical data.
Student Actions
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Teacher Actions
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Describing and comparing categories of data.
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Analyzing data in bar-type graphs and tally charts to answer questions.
- Communicating their ideas about the information gathered and displayed.
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Interpret data from pictographs and bar graphs
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Apply the knowledge gained from the data to write and solve one-step word problems.
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Asking questions to engage student in a discussion about the meaning of data.
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Facilitating meaningful discussion of students’ ideas.
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Allowing sufficient wait time so that students can formulate and offer responses, questions, etc.
- Providing problems for these situations: adding to, taking from, putting together, taking apart, and comparing, and with unknowns in all positions.
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Key Understandings
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Misconceptions
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Identify and know the value of a quarter .
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Find the value of a group of quarters, dimes, nickels and pennies.
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Use quarters, dimes, nickels and pennies to show a given amount .
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Use the ¢ symbol properly.
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Skip by 25s.
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The value of a coin is related to its size; the larger the coin, the greater the value.
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A nickel is a quarter or vice versa.
- They count the coins rather than the value of the coins.
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OKMath Framework Introduction
2nd Grade Introduction
2nd Grade MAPs
2nd Grade Learning Progression
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