1st Grade

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Standards and Practice Problem(s)

 

Note: Click on the hmtoggle_plus0 to open the mathcast and hmtoggle_plus1 to close it.

 

1NS.1.0:

Students understand and use numbers up to 100.

 

hmtoggle_plus11NS.1.1 Count, read, and write whole numbers to 100.

 

 

hmtoggle_plus11NS.1.2 Compare and order whole numbers to 100 by using the symbols for less than, equal to, or greater than (<, =, >).

 

 

hmtoggle_plus11NS.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).

 

 

hmtoggle_plus11NS.1.4 Count and group object in ones and tens (e.g., three groups of 10 and 4 equals 34, or 30 + 4).

 

 

hmtoggle_plus11NS.1.5 Identify and know the value of coins and show different combinations of coins that equal the same value.

 

 

 

 

1NS.2.0:

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

 

hmtoggle_plus11NS.2.1 Know the addition facts (sums to 20) and the corresponding subtraction facts and commit them to memory.

 

 

hmtoggle_plus11NS.2.2 Use the inverse relationship between addition and subtraction to solve problems.

 

 

hmtoggle_plus11NS.2.3 Identify one more than, one less than, 10 more than, and 10 less than a given number.

 

 

hmtoggle_plus11NS.2.4 Count by 2s, 5s, and 10s to 100.

 

 

hmtoggle_plus11NS.2.5 Show the meaning of addition (putting together, increasing) and subtraction (taking away, comparing, finding the difference).

 

 

hmtoggle_plus11NS.2.6 Solve addition and subtraction problems with one-and two-digit numbers (e.g., 5 + 58 = __).

 

 

hmtoggle_plus11NS.2.7 Find the sum of three one-digit numbers.

 

 

 

 

1NS.3.0:

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

 

hmtoggle_plus11NS.3.1 Make reasonable estimates when comparing larger or smaller numbers.

 

 

 

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