NumberNut.com: Standards: First Grade

FIRST GRADE MATH STANDARDS
By the end of grade one, students understand and use the concept of ones and tens in the place value number system. Students add and subtract small numbers with ease. They measure with simple units and locate objects in space. They describe data and analyze and solve simple problems.

NUMBER SENSE
1.0 Students understand and use numbers up to 100:

1.1 Count, read, and write whole numbers to 100.
- Recognizing Numbers 1-50 Card Quiz
- Recognizing Numbers 1-100 Card Quiz

1.2 Compare and order whole numbers to 100 by using the symbols for less than, equal to, or greater than (<, =, >).
- "More or Less" 1-100
- "Before and After" 1-100

1.3 Represent equivalent forms of the same number through the use of physical models, diagrams, and number expressions (to 20) (e.g., 8 may be represented as 4 + 4, 5 + 3, 2 + 2 + 2 + 2, 10 -2, 11 -3).
- "More or Less" One-Digit Addition
- "More or Less" One and Two-Digits
- "More or Less" One-Digit Subtraction
- "More or Less" 1 and 2-Digit (No Borrow)
- "More or Less" 1 and 2-Digit (Borrow)

1.4 Count and group object in ones and tens (e.g., three groups of 10 and 4 equals 34, or 30 + 4).
- "Is There Enough" Values to Thirty Cents
- "Is There Enough" Values Under One Dollar

1.5 Identify and know the value of coins and show different combinations of coins that equal the same value.
- "More or Less" Values to Thirty Cents
- "More or Less" Values Under One Dollar

2.0 Students demonstrate the meaning of addition and subtraction and use these operations to solve problems:

2.1 Know the addition facts (sums to 20) and the corresponding subtraction facts and commit them to memory.
- Single-Digit Numbers (Horiz.)
- Single-Digit Numbers (Vert.)
- Single-Digit Word Problems

2.2 Use the inverse relationship between addition and subtraction to solve problems.

2.3 Identify one more than, one less than, 10 more than, and 10 less than a given number.

2.4 Count by 2s, 5s, and 10s to 100.
- 1, 4, and 8 Addition Quiz
- 3, 7, and 9 Addition Quiz
- 2, 5, and 10 Addition Quiz

2.5 Show the meaning of addition (putting together, increasing) and subtraction (taking away, comparing, finding the difference).

2.6 Solve addition and subtraction problems with one-and two-digit numbers (e.g., 5 + 58 = __).
- One and Two-Digit Addition Number Line
- "More or Less" One and Two-Digits
- One and Two-Digit Word Problems
- "More or Less" 1 and 2-Digit (Borrow)
- Word Problem Card Quiz

2.7 Find the sum of three one-digit numbers.
- Three Terms Quick Quiz

3.0 Students use estimation strategies in computation and problem solving that involve numbers that use the ones, tens, and hundreds places:

3.1 Make reasonable estimates when comparing larger or smaller numbers.
- Estimating Sums to the Nearest Ten
- Estimating Differences to the Nearest Ten

ALGEBRA AND FUNCTIONS
1.0 Students use number sentences with operational symbols and expressions to solve problems:

1.1 Write and solve number sentences from problem situations that express relationships involving addition and subtraction.

1.2 Understand the meaning of the symbols +, -, =.

1.3 Create problem situations that might lead to given number sentences involving addition and subtraction.

MEASUREMENT AND GEOMETRY
1.0 Students use direct comparison and nonstandard units to describe the measurements of objects:

1.1 Compare the length, weight, and volume of two or more objects by using direct comparison or a nonstandard unit.

1.2 Tell time to the nearest half hour and relate time to events (e.g., before/after, shorter/longer).
- Time Passed: Thirty Minute Amounts
- Time Passed: Fifteen Minute Amounts
- Time Without Numbers on the Clock

2.0 Students identify common geometric figures, classify them by common attributes, and describe their relative position or their location in space:

2.1 Identify, describe, and compare triangles, rectangles, squares, and circles, including the faces of three-dimensional objects.
- 2-D Shape Memory Game
- 2-D Shape Name Memory Game
- 2-D Shape Card Quiz
- 3-Dimensional Shape Memory Game
- 3-Dimensional Shape Card Quiz

2.2 Classify familiar plane and solid objects by common attributes, such as color, position, shape, size, roundness, or number of corners, and explain which attributes are being used for classification.

2.3 Give and follow directions about location.

2.4 Arrange and describe objects in space by proximity, position, and direction (e.g., near, far, below, above, up, down, behind, in front of, next to, left or right of).

STATISTICS, DATA ANALYSIS, AND PROBABILITY
1.0 Students organize, represent, and compare data by category on simple graphs and charts:

1.1 Sort objects and data by common attributes and describe the categories.

1.2 Represent and compare data (e.g., largest, smallest, most often, least often) by using pictures, bar graphs, tally charts, and picture graphs.

2.0 Students sort objects and create and describe patterns by numbers, shapes, sizes, rhythms, or colors:

2.1 Describe, extend, and explain ways to get to a next element in simple repeating patterns (e.g., rhythmic, numeric, color, and shape).

MATHEMATICAL REASONING
1.0 Students make decisions about how to set up a problem:

1.1 Determine the approach, materials, and strategies to be used.

1.2 Use tools, such as manipulatives or sketches, to model problems.

2.0 Students solve problems and justify their reasoning:

2.1 Explain the reasoning used and justify the procedures selected.

2.2 Make precise calculations and check the validity of the results from the context of the problem.

3.0 Students note connections between one problem and another.

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