1st Grade Math (Florida B.E.S.T.)

MA.1.NSO.1 Extend counting sequences and understand the place value of two-digit numbers.

• MA.1.NSO.1 Extend counting sequences and understand the place value of two-digit numbers.
• MA.1.NSO.1.1 Count forward and backward within 120 by ones, skip count by 2s to 20 and by 5s to 100.
• MA.1.NSO.1.2 Read and write numbers 0 to 100 in standard and expanded form, and read them in word form.
• MA.1.NSO.1.3 Compose and decompose two-digit numbers in multiple ways using tens and ones, with models and equations.
• MA.1.NSO.1.4 Plot, order and compare whole numbers up to 100 using a number line and place value.

MA.1.NSO.2 Develop an understanding of addition and subtraction operations with one- and two-digit numbers.

• MA.1.NSO.2 Develop an understanding of addition and subtraction operations with one- and two-digit numbers.
• MA.1.NSO.2.1 Recall addition facts with sums to 10 and related subtraction facts automatically.
• MA.1.NSO.2.2 Add whole numbers with sums to 20 and subtract related facts with reliable methods.
• MA.1.NSO.2.3 Identify the number that is one more, one less, ten more or ten less than a two-digit number.
• MA.1.NSO.2.4 Explore adding a two-digit and a one-digit number with sums up to 100, composing tens when needed.
• MA.1.NSO.2.5 Explore subtracting a one-digit number from a two-digit number using number lines and models.

MA.1.FR.1 Develop an understanding of fractions by partitioning shapes into halves and fourths.

• MA.1.FR.1 Develop an understanding of fractions by partitioning shapes into halves and fourths.
• MA.1.FR.1.1 Split circles and rectangles into two and four equal parts, and name them as halves or fourths.

MA.1.AR.1 Solve addition problems with sums between 0 and 20 and subtraction problems using related facts.

• MA.1.AR.1 Solve addition problems with sums between 0 and 20 and subtraction problems using related facts.
• MA.1.AR.1.1 Use properties of addition to find the sum of three or more whole numbers, making a ten when helpful.
• MA.1.AR.1.2 Solve real-world addition and subtraction problems using objects, drawings or equations.

MA.1.AR.2 Develop an understanding of the relationship between addition and subtraction.

• MA.1.AR.2 Develop an understanding of the relationship between addition and subtraction.
• MA.1.AR.2.1 Rewrite a subtraction problem as a missing addend problem to find the difference.
• MA.1.AR.2.2 Decide whether addition or subtraction equations are true or false, and explain why.
• MA.1.AR.2.3 Find the unknown whole number in an addition or subtraction equation, wherever it appears.

MA.1.M.1 Compare and measure the length of objects.

• MA.1.M.1 Compare and measure the length of objects.
• MA.1.M.1.1 Estimate and measure object lengths to the nearest inch or centimeter, starting at the ruler's zero.
• MA.1.M.1.2 Compare and order up to three objects' lengths using direct and indirect comparison.

MA.1.M.2 Tell time and identify the value of coins and combinations of coins and dollar bills.

• MA.1.M.2 Tell time and identify the value of coins and combinations of coins and dollar bills.
• MA.1.M.2.1 Tell and write time in hours and half-hours on analog and digital clocks.
• MA.1.M.2.2 Identify pennies, nickels, dimes and quarters, their cent values, and how many equal a dollar.
• MA.1.M.2.3 Find the value of coin combinations up to one dollar and dollar bill combinations up to $100.

MA.1.GR.1 Identify and analyze two- and three-dimensional figures based on their defining attributes.

• MA.1.GR.1 Identify and analyze two- and three-dimensional figures based on their defining attributes.
• MA.1.GR.1.1 Identify, compare and sort two- and three-dimensional figures by their defining attributes.
• MA.1.GR.1.2 Sketch two-dimensional figures when given their defining attributes.
• MA.1.GR.1.3 Compose and decompose two- and three-dimensional figures without gaps or overlaps.
• MA.1.GR.1.4 Identify parts of real-world objects that are modeled by two- and three-dimensional figures.

MA.1.DP.1 Collect, represent and interpret data using pictographs and tally marks.

• MA.1.DP.1 Collect, represent and interpret data using pictographs and tally marks.
• MA.1.DP.1.1 Collect data into categories and show the results with tally marks or pictographs.
• MA.1.DP.1.2 Interpret tally mark or pictograph data by finding category totals and comparing them.