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1st Grade Math Standards by Mind Map: 1st Grade Math Standards
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1st Grade Math Standards

Number Sense

Students understand and use numbers up to 100

Count, read, and write whole numbers to 100, Applets, freeware, and video clips, Not recommended, Zoo Zillions

Compare and order whole numbers to 100 by using the symbols for less than, equal to, or greater than (<,=,>)., Applets, freeware, and video clips, Highly recommended, Greater than Less than Game, Potentially useful, Alligator Greater Than/Less Than, Inequality Flashcards

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)., Applets, freeware, and video clips, Highly recommended, Addition Surprise

Count and group object in ones and tens (e.g., three groups of 10 and 4 equals 34, or 30+4)., Applets, freeware, and video clips, Highly recommended, Base Blocks Addition, Base Blocks Subtraction, Potentially useful, Igloo Shopping, Base 10 Blocks: Exploring Whole Decimal Numbers with Blocks

Identify and know the value of coins and show different combinations of coins that equal the same value., Applets, freeware, and video clips, Highly recommended, Money Program, Potentially useful, Change Maker, Money

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

Know the addition facts (sums to 20) and the corresponding subraction facs and commit them to memory., Applets, freeware, and video clips, Highly recommended, Little Animals Activity Center, Number Pyramid, Illuminations: Ten Frame, Not recommended, Hidden Picture, Addition Matho

Use the inverse relationship between addition and subtraction to solve problems., Applets, freeware, and video clips, Potentially useful, Number Pyramid, Color Chips-Addition

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

Count by 2s, 5s, and 10s to 100., Applets, freeware, and video clips, Highly recommended, Adventure Sequences, Mathsadd

Show the meaning of addition (putting together, increasing) and subtraction (taking away, comparing, finding the difference)., Applets, freeware, and video clips, Highly recommended, Base Blocks Addition, Base Blocks Subtraction

Solve addition and subtraction problems with one- and two-digit numbers (e.g., 5+58=__)., Applets, freeware, and video clips, Not recommended, Addition Matho, Zoo Zillions

Find the sum of three one-digit numbers.

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

Make reasonalbe estimates when comparing larger or smaller numbers., Applets, freeware, and video clips, Potentially useful, Carnival Countdown