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The dining hall has 1 jar of crunchy peanut butter and 3 jars of creamy peanut butter. How many jars of peanut butter are there in all?

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First-grade skills Show expanded view
Counting and number patterns
Addition
Addition - skill builders
Subtraction
Subtraction - skill builders
Mixed operations
Comparing
Estimating
Fractions
Geometry
Spatial sense
Data and graphs
Measurement
Money
Patterns
Probability and statistics
Sorting, ordering, and classifying
Time