• 1st Grade Math Websites

Vocabulary

Math Dictionary For Kids

Harcourt Math Glossary

Websites for Students

Addition

10 Frame Add: click on add and have students build numbers with 10 frames and then find the sum

Alien Addition: select the equation that matches the given sum (set sum 1 - 10)

Number Bonds: students aim an addend at the other addend that equals 10.

Robin Hood's Doubles: Practice doubling numbers 1-9

Subtraction

Subtraction Harvest: solve basic subtraction equations (numbers 1-10)

Target Take Away: remove targets to determine the answer on a number line model

Dump Truck Subtraction: solve subtraction problems less than 20

Addition and Subtraction

Line Jumper: add or subtract using a number line (try easy or medium)

Knight Toss add the numbers to storm the castle

Fact Family: create 4 equations with the given digits (two addition and two subtraction)

Algebra

Missing Number: match the addend to its basic addition fact ( Eg. 3 and  7 + ___ = 10 are matches)

Number and Operations in Base Ten

Fill in the Missing Numbers: students fill in the blank spots on a hundred chart

Give the Dog a Bone: quickly find the bone on the 100 chart before time runs out

Shark Numbers: students determine number represented with base-ten blocks

Lifeguards: use 10s and 1s to get to a target number

+ 10 Game: Students click on the number that is 10 more than the target # on a hundreds chart

Whack a Mole: students set "steps of" to the number 10, then adjust the "start number" to a 2-digit number. Then click on the number in the sequence that is 10 more than the given number

-10 Game: Students click on the number that is 10 less than the target # on a hundreds chart

Fruit Splat: Compare Numbers: click on the symbol (<, >, or =) that explains the relationship between 2 given numbers.

Raceway Number Values: determine the symbol (<, >, or =) that explains the relationship between 2 given numbers. (use whole number EASY)

Measurement and Data

Clock Splat: match the analog clock to the written time (to the hour) or digital time to the half hour

Geometry

Shapes Splat: click on the shape that matches

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