Florida B.E.S.T.

Florida 2nd grade math standards

Every 2nd grade math standard in the Florida B.E.S.T. Standards for Mathematics, in Florida's order, with the Lux lessons that teach it.

Number Sense and Operations

MA.2.NSO.1.1
Read and write numbers from 0 to 1,000 using standard form, expanded form and word form.
Taught inNumbers to 1,000 three ways What is a digit worth?Zero holds the tens place Many names for one numberand 1 more
MA.2.NSO.1.2
Compose and decompose three-digit numbers in multiple ways using hundreds, tens and ones. Demonstrate each composition or decomposition with objects, drawings and expressions or equations.
Taught inWhat is a digit worth?Many names for one number New names, same number
MA.2.NSO.1.3
Plot, order and compare whole numbers up to 1,000.
Taught inComparing three-digit numbers Same digits, different places Plot and order on a number line Read the line's labels
MA.2.NSO.1.4
Round whole numbers from 0 to 100 to the nearest 10.
Taught inRounding to the nearest ten Halfway rounds up Which two tens?Look at the ones
MA.2.NSO.2.1
Recall addition facts with sums to 20 and related subtraction facts with automaticity.
Taught inA fact you know beats counting Subtraction is a missing part Make a ten to add Doubles and near doubles
MA.2.NSO.2.2
Identify the number that is ten more, ten less, one hundred more and one hundred less than a given three-digit number.
Taught inTen more, a hundred more Ten more past a hundred
MA.2.NSO.2.3
Add two whole numbers with sums up to 100 with procedural reliability. Subtract a whole number from a whole number, each no larger than 100, with procedural reliability.
Taught inAdding tens and ones Ten ones make a ten Trade a ten for ten ones Adding by jumpsand 4 more
MA.2.NSO.2.4
Explore the addition of two whole numbers with sums up to 1,000. Explore the subtraction of a whole number from a whole number, each no larger than 1,000.
Taught inAdding to 1,000 Subtracting to 1,000 Subtraction does not turn around Trade only when you need to

Fractions

MA.2.FR.1.1
Partition circles and rectangles into two, three or four equal-sized parts. Name the parts using appropriate language, and describe the whole as two halves, three thirds or four fourths.
Taught inHalves, thirds, and fourths Same size, different shapes Equal without matching Equal parts only
MA.2.FR.1.2
Partition rectangles into two, three or four equal-sized parts in two different ways showing that equal-sized parts of the same whole may have different shapes.
Taught inHalves, thirds, and fourths Same size, different shapes Equal without matching Equal parts only

Algebraic Reasoning

MA.2.AR.1.1
Solve one- and two-step addition and subtraction real-world problems.
Taught inTwo-step word problems A story for an equation The total is already there Act out the storyand 3 more
MA.2.AR.2.1
Determine and explain whether equations involving addition and subtraction are true or false.
Taught inOne less here, one more there Subtraction on both sides What the equal sign means True or false?and 1 more
MA.2.AR.2.2
Determine the unknown whole number in an addition or subtraction equation, relating three or four whole numbers, with the unknown in any position.
Taught inFind the missing number Missing numbers in subtraction Balance the change Both sides must match
MA.2.AR.3.1
Represent an even number using two equal groups or two equal addends. Represent an odd number using two equal groups with one left over or two equal addends plus 1.
Taught inEven or odd?Even numbers end the same way Doubles are always even
MA.2.AR.3.2
Use repeated addition to find the total number of objects in a collection of equal groups. Represent the total number of objects using rectangular arrays and equations.
Taught inEqual groups, added again Rows and columns Add the rows, not the sides Count the inside dots too

Measurement

MA.2.M.1.1
Estimate and measure the length of an object to the nearest inch, foot, yard, centimeter or meter by selecting and using an appropriate tool.
Taught inMeasuring with a ruler Start at zero Count the inches, not the marks Pick the tool and the unitand 4 more
MA.2.M.1.2
Measure the lengths of two objects using the same unit and determine the difference between their measurements.
Taught inMeasuring with a ruler Start at zero Count the inches, not the marks Pick the tool and the unitand 3 more
MA.2.M.1.3
Solve one- and two-step real-world measurement problems involving addition and subtraction of lengths given in the same units.
Taught inLength word problems How much did it grow?
MA.2.M.2.1
Using analog and digital clocks, tell and write time to the nearest five minutes using a.m. and p.m. appropriately. Express portions of an hour using the fractional terms half an hour, half past, quarter of an hour, quarter after and quarter til.
Taught inTime to five minutes Short hand, long hand Almost the next hour Half past and quarter afterand 1 more
MA.2.M.2.2
Solve one- and two-step addition and subtraction real-world problems involving either dollar bills within 100 or coins within 100¢ using and ¢ symbols appropriately.
Taught inBigger coin, not bigger value Counting coins Money word problems Making change

Geometric Reasoning

MA.2.GR.1.1
Identify and draw two-dimensional figures based on their defining attributes. Figures are limited to triangles, rectangles, squares, pentagons, hexagons and octagons.
Taught inNaming flat shapes Turned, still a square Count sides, not looks Sorting shapesand 1 more
MA.2.GR.1.2
Categorize two-dimensional figures based on the number and length of sides, number of vertices, whether they are closed or not and whether the edges are curved or straight.
Taught inNaming flat shapes Turned, still a square Count sides, not looks Sorting shapesand 1 more
MA.2.GR.1.3
Identify line(s) of symmetry for a two-dimensional figure.
Taught inNot every half is a mirror More sides, not more lines Lines of symmetry
MA.2.GR.2.1
Explore perimeter as an attribute of a figure by placing unit segments along the boundary without gaps or overlaps. Find perimeters of rectangles by counting unit segments.
Taught inPerimeter: walk the edge Count each unit once
MA.2.GR.2.2
Find the perimeter of a polygon with whole-number side lengths. Polygons are limited to triangles, rectangles, squares and pentagons.
Taught inPerimeter by adding sides Opposite sides match Perimeter of a pentagon

Data Analysis and Probability

MA.2.DP.1.1
Collect, categorize and represent data using tally marks, tables, pictographs or bar graphs. Use appropriate titles, labels and units.
Taught inTally marks and tables Making a bar graph Name each count One picture can stand for moreand 3 more
MA.2.DP.1.2
Interpret data represented with tally marks, tables, pictographs or bar graphs including solving addition and subtraction problems.
Taught inTally marks and tables Making a bar graph Name each count One picture can stand for moreand 3 more

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