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Math Websites ~ Grade 1 Unit 2
Click on a box below to find helpful websites to support the indicators taught in this unit. The indicators are color-coded and the websites numbered to assist teachers in directing students to the correct site. These websites are intended for the wide range of students in the grade, therefore some may tend to be easier and some more difficult. These web pages may contain links to one or more pages outside the MCPS Web. MCPS does not control the content or relevancy of these pages.

6.1.4.2 develop, use, and explain strategies to add and subtract single-digit whole numbers

 

 


General Math Sites

1.

Rainforest Math has wonderful activities, K - 6:
http://www.rainforestmaths.com/

2. National Library of Math Manipulatives
http://nlvm.usu.edu/en/nav/vlibrary.html
3. Illustrated Math Dictionary
http://www.teachers.ash.org.au/jeather/maths/dictionary.html
4. Search through dozens and dozens of math websites for first graders
http://www.internet4classrooms.com/skills_1st_math.htm
 

3.1.4.1 solve problems using nonstandard measurement concepts and procedures.

1.

http://www.harcourtschool.com/activity/length_strength3/

 


3.1.2.3 select an appropriate tool, including rulers, clocks (to the hour, half hour, and quarter hour), calendars, and scales to measure a specific attribute.

1. Linear measurement (inch/cm) http://www.funbrain.com/measure/index.html
2. Clocks: http://www.harcourtschool.com/activity/telling_time_gr1
3.

http://www.harcourtschool.com/activity/willy/willy.html

4. Virtual Clock Manipulative
http://nlvm.usu.edu/en/nav/frames_asid_316_g_1_t_4.html
5.

Virtual Clock Manipulative-matching analog and digital times
http://nlvm.usu.edu/en/nav/frames_asid_317_g_1_t_4.html

6. http://arcytech.org/java/clock/
7. http://www.primarygames.com/time/question1.htm
8. http://www.pbs.org/teachers/connect/resources/5480/preview/
9. http://www.bbc.co.uk/education/dynamo/den/clock/index.htm
 


3.1.2.2 estimate and measure length in inches.

1. http://www.harcourtschool.com/activity/elab2004/gr3/22.html
 
 


6.1.1.4 use ordinal numbers first through tenth.

1.

http://www.primarygames.com/squigly/3a.htm

 

1.1.2.2 create, compare, and describe sets of objects as having more, less, or equal amounts.
1. http://www.harcourtschool.com/activity/show_me/e105.htm
2. http://www.harcourtschool.com/activity/math_models2/English/gr1ch10.html
3. http://www.harcourtschool.com/activity/math_models2/English/gr1ch10a.html
 

6.1.2.1 compare and order equal and unequal numbers and sets.

1.

http://www.harcourtschool.com/activity/dive_treasure/

2. http://www.harcourtschool.com/activity/show_me/e105.htm
3.

http://www.harcourtschool.com/activity/penny_prizes1/

 
6.1.1.1 model one- and two-digit whole numbers using a variety of groupings.
1. http://nlvm.usu.edu/en/nav/frames_asid_152_g_1_t_1.html
2. http://www.harcourtschool.com/activity/show_me/e112.htm
3. http://www.learningbox.com/base10/BaseTen.html
4. http://www.harcourtschool.com/activity/numbers_to_100_b/
5. http://www.ictgames.com/sharkNumbers_v2.html
6. http://www.ictgames.com/sharknumbers.html
7. http://www.ictgames.com/LIFEGUARDS.html
6.1.2.4 model 10 more/less to 100.
1. http://atschool.eduweb.co.uk/toftwood/100huntplus10.html
2. http://atschool.eduweb.co.uk/toftwood/100huntminus10.html.
3. http://www.oswego.org/ocsd-web/games/SplatSquares/splatsq100.html
 
6.1.4.2 develop, use, and explain strategies to add and subtract single-digit whole numbers.
1. http://www.harcourtschool.com/activity/seashell_search/index.html
2. http://www.harcourtschool.com/activity/busy_bees/index.html
3. http://www.harcourtschool.com/activity/fireflies/index.html
4. http://www.harcourtschool.com/activity/add/add.html
5. http://www.harcourtschool.com/activity/day_at_beach/
6. http://www.harcourtschool.com/activity/adding_bricks/
7. http://illuminations.nctm.org/ActivityDetail.aspx?ID=75  (ten frame)
8. http://www.primarygames.com/math/danumba/index.htm
9. http://www.primarygames.com/add_up/question2.htm
10. http://www.bbc.co.uk/schools/laac/numbers/ch1.shtml
 
6.1.6.1 model and use the commutative property for addition.
 

6.1.6.2 explain and apply the concept of inverse operation as it relates to addition and subtraction.

 

6.1.5.4 add and subtract one- and two-digit numbers without regrouping.

1.

http://nlvm.usu.edu/en/nav/frames_asid_152_g_1_t_1.html

2. http://nlvm.usu.edu/en/nav/frames_asid_155_g_1_t_1.html
3. http://www.harcourtschool.com/activity/show_me/e231.htm
4. http://www.harcourtschool.com/activity/hrise/hrise.html
5. http://www.harcourtschool.com/activity/math_models2/English/gr1ch29.html
6. http://www.harcourtschool.com/activity/math_models2/English/gr1ch30.html
7. http://www.harcourtschool.com/activity/mmath/mmath_lion.html
8. http://www.bbc.co.uk/schools/numbertime/addem/lost.shtml
9. http://www.bbc.co.uk/schools/numbertime/addem/square.shtml
 
1.1.2.1 write and solve number sentences derived from problem situations that express relationships involving addition and subtraction (+, -, =).
1. http://www.bbc.co.uk/schools/numbertime/addem/
2. http://www.bbc.co.uk/schools/numbertime/addem/
3. http://www.bbc.co.uk/schools/numbertime/addem/
4. http://www.bbc.co.uk/schools/numbertime/addem/
5. http://www.bbc.co.uk/schools/numbertime/addem/
6. http://www.bbc.co.uk/schools/numbertime/addem/
7. http://www.thinkingblocks.com/mathplayground/
 


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