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# Grade 1 Math Standards Resources

It is recommended that teachers review activities and read the associated directions and/or lesson plan ideas prior to using them with their students. In some cases, the activities are very open-ended and are best used in conjunction with paper/pencil activities or when students are paired and working on a single computer. If the directions and/or lesson plans are not obvious, a link is provided within the description of the resource.

It is essential that these standards be addressed in contexts that promote problem solving, reasoning, communication, making connections, and designing and analyzing representations.

## 1.1 Number and Operations: Develop an understanding of whole number relationships, including grouping in tens and ones.

### Compare and order whole numbers to 100.

Give the Dog a Bone

Students find 10 hidden bones on the 1-100 number square in 60 seconds. Random numbers are listed on the side which students use to click on the appropriate blank square in the 100 grid. Good activity for subject area of numbers and number system.

Mend the Number Square

Students complete a one hundred grid by dragging missing numbers to correct spot. Use for number recognition and number sense. Applicable for low second graders.

### Represent whole numbers on a number line, demonstrating an understanding of the sequential order of the counting numbers and their relative magnitudes. Count 1 to 20

Students organize the numerals 1-20 in a nonlinear track, choosing from 4 levels of difficulty. No feedback is given to the student until the number order is correct.

### Count and group objects in tens and ones. Base 10

Students create from 1 digit to 3 digit number amounts (can be customized), using base 10 blocks, by adding or removing blocks from display area. Number sense concepts are also reinforced as numbers are shown in written form as well as on a number line.

### Identify the number of tens and ones in whole numbers between 10 and 100, especially recognizing the numbers 10 to 19 as 1 group of ten and a particular number of ones. Base 10

Students show from 1 digit to 3 digit number amounts (can be customized), using base 10 blocks, by adding or removing blocks from display area. Number sense concepts are also reinforced as numbers are shown in written form as well as on a number line. This site is same as 1.1.3. Can be used for both.

### Determine the value of collections of pennies, nickels, and dimes. Count U.S. Coins

Students can count how much money they have by dragging coins and deposit them into a piggy bank. Quarter is also included. Site good for teacher led demonstration with connecting count bys to money counting.

## 1.2 Number and Operations and Algebra: Develop understandings of addition and subtraction and strategies for basic addition facts and related subtraction facts.

### Model “part-whole,” “adding to,” “taking away from,” and “comparing” situations to develop an understanding of the meanings of addition and subtraction.

Ten Frame

Students can build, fill, identify, or add items to a ten frame to learn basic number facts. Activity #2 "Build" supports 1.2.1.

These four games help develop counting and addition skills not subtracting. Good resource for ELD learners and lower skill level second grade students. This activity does a good job reinforcing ten frame use. It helps students think in chunks of 5.

Number Line Arithmetic

Activity uses the number line to understand the effects of adding numbers.

Activity also supports subtraction, multiplication, and division. Can be translated into Spanish. Train Game

Students practice addition and subtraction skills by adding and subtracting train cars to match the number on the rolled die. This activity may be used independently by students as the directions are spoken and modeled.

### Develop and use efficient strategies for adding and subtracting whole numbers using a variety of models, including discrete objects, length-based models (e.g., lengths of connecting cubes) and number lines.

Ten Frame

Students can build, fill, identify, or add items to a ten frame to learn basic number facts.

These four games help develop counting and addition skills. Good resource for ELD learners and lower skill level second grade students. This activity does a good job reinforcing ten frame use. It helps students think in chunks of 5.

Number Line Arithmetic

Activity uses the number line to understand the effects of adding numbers.

Activity also supports subtraction, multiplication, and division. Can be translated into Spanish. Train Game

Students practice addition and subtraction skills by adding and subtracting train cars to match the number on the rolled die. This activity may be used independently by students as the directions are spoken and modeled.

### Apply with fluency sums to 10 and related subtraction facts.

Ten Frame

Students can build, fill, identify, or add items to a ten frame to learn basic number facts.

These four games help develop counting and addition skills. Good resource for ELD learners and lower skill level second grade students. This activity does a good job reinforcing ten frame use. It helps students think in chunks of 5. Train Game

Students practice addition and subtraction skills by adding and subtracting train cars to match the number on the rolled die. This activity may be used independently by students as the directions are spoken and modeled.

N/A

N/A

### Identify, create, extend, and supply a missing element in number patterns involving addition or subtraction by a single-digit number.

Hundreds Chart - Countersquare

Students use a hundred chart to mark and identify patterns in number and times table sequence, label odd and even numbers, prime numbers and can develop games.

Teacher or student can lead activities with projector and students can work on their computer to continue pattern, etc.

## 1.3 Geometry: Compose and decompose two- and three-dimensional geometric shapes.

### Describe geometric attributes of shapes (e.g., round, corners, sides) to determine how they are alike and different. Creating Polygons (Does not work with Firefox 3)

Teacher and students make and compare a variety of polygons describing the properties of the shapes they create.

This is an open ended activity with no options. The teacher will need to lead/show students how to make congruent shapes.

### Recognize and create shapes that are congruent or have symmetry. Creating Polygons (Does not work with Firefox 3)

Teachers and students make and compare a variety of polygons describing the properties of the shapes they create.

This is an open ended activity with no options. The teacher will need to lead/show students how to make congruent shapes. Pentominoes

Pentominoes consist of 12 shapes that can be made from five squares along shared edges. Students explore how they can cover an area with pentominoes.  They can practice the three basic geometric motions - slides, flips, and turns.

### Compose and decompose shapes (e.g., cut a square into two right triangles and put two cubes together to make a rectangular prism), thus building an understanding of part-whole relationships as well as the properties of the original and composite shapes. Shape Cutter (Does not work with Firefox 3)

Students can compose and decompose 2 dimensional shapes which can be turned flipped and slid.

Need to do teacher demonstration and to help first graders learn site directions.

### Recognize shapes when viewed from different perspectives and orientations. Creating Polygons (teacher directed; does not work with Firefox 3)

Teacher directs and students make and compare a variety of polygons describing the properties of the shapes they create. Directions Delete direction

This is an open ended activity with no options. The teacher will need to lead/show students how to make congruent shapes. Patch Tool (Does not work with Firefox 3)

Students use pattern block shapes to create an original quilt patch or one selected from a menu. Tools are available for students to use (spin, flip, eraser, grid) as they build their patches.

This activity helps develop visual spatial skill as students determine how the shape changes when it is flipped or spun.