Missouri Learning Standards

Missouri 1st grade math standards

Every 1st grade math standard in the Missouri Learning Standards: Mathematics, in Missouri's order, with the Lux lessons that teach it.

Number and Operations in Base Ten

1.NS.A.1
Count to 120, starting at any number less than 120.
Taught inCounting on and back to 120 The end of a row Skip counting by 2s and 5s
1.NS.A.2
Read and write numerals and represent a number of objects with a written numeral.
Taught inCounting on and back to 120 The end of a row
1.NS.A.3
Count backward from a given number between 20 and 1.
Taught inCounting on and back to 120 The end of a row Skip counting by 2s and 5s Counting by tens to 100and 3 more
1.NS.A.4
Count by 5s to 100 starting at any multiple of five.
Taught inCounting on and back to 120 The end of a row Skip counting by 2s and 5s Skip-count past a hundred
1.NBT.A.1
Understand that 10 can be thought of as a bundle of 10 ones – called a “ten”.
Taught inMany ways to make a number Extra ones make a ten
1.NBT.A.2
Understand two-digit numbers are composed of ten(s) and one(s).
Taught inTens and ones Fifteen is not 51 Expanded form counts tens Many ways to make a numberand 1 more
1.NBT.A.3
Compare two two-digit numbers using the symbols >, = or <.
Taught inGreater than, less than The tens decide first Numbers on a number line
1.NBT.A.4
Count by 10s to 120 starting at any number.
Taught inOne more, ten more Ten more changes the tens Counting by tens to 100
1.NBT.B.6
Calculate 10 more or 10 less than a given number mentally without having to count.
Taught inOne more, ten more Ten more changes the tens
1.NBT.B.7
Add or subtract a multiple of 10 from another two-digit number, and justify the solution.
Taught inAdding ones to a two-digit number Get to the next ten Twelve ones is a new ten Take away tens

Operations and Algebraic Thinking

1.RA.A.1
Use addition and subtraction within 20 to solve problems.
Taught inRead the story first Act out the story How many were added?How many at the start?and 2 more
1.RA.A.2
Solve problems that call for addition of three whole numbers whose sum is within 20.
Taught inThree numbers in a story
1.RA.A.3
Develop the meaning of the equal sign and determine if equations involving addition and subtraction are true or false.
Taught inNot every equation is true What the equal sign means True or false?The total can come first
1.RA.A.4
Determine the unknown whole number in an addition or subtraction equation relating three whole numbers.
Taught inThe missing number anywhere A missing start Check by putting it back Both sides must match
1.RA.B.5
Use properties as strategies to add and subtract.
Taught inAny order, same total Find the ten first Facts that go together
1.RA.B.6
Demonstrate that subtraction can be solved as an unknown-addend problem.
Taught inSubtraction is a missing part Which addition helps?
1.RA.C.7
Add and subtract within 20.
Taught inMake a ten to add Subtract back to ten Ways to make 10 Facts that go togetherand 3 more
1.RA.C.8
Demonstrate fluency with addition and subtraction within 10.
Taught inMake a ten to add Subtract back to ten Ways to make 10 Facts that go togetherand 8 more

Geometry

1.GM.A.1
Distinguish between defining attributes versus non-defining attributes; build and draw shapes that possess defining attributes.
Taught inSides and corners Turned is still a triangle Solid shapes Not every box is a cubeand 2 more
1.GM.A.2
Compose and decompose two- and three-dimensional shapes to build an understanding of part-whole relationships and the properties of the original and composite shapes.
Taught inShapes from shapes Shapes in the real world
1.GM.A.3
Recognize two- and three-dimensional shapes from different perspectives and orientations.
Taught inSides and corners Turned is still a triangle Solid shapes Not every box is a cubeand 6 more
1.GM.A.4
Partition circles and rectangles into two or four equal shares, and describe the shares and the wholes verbally.
Taught inHalves and fourths Equal parts only Many ways to make halves

Measurement and Data

1.GM.B.5
Order three or more objects by length.
Taught inLonger, shorter, longest Compare with a third thing Inches and centimeters don’t mix
1.GM.B.6
Compare the lengths of two objects indirectly by using a third object.
Taught inLonger, shorter, longest Compare with a third thing Inches and centimeters don’t mix
1.GM.B.7
Demonstrate the ability to measure length or distance using objects.
Taught inMeasure with paper clips Bigger units, fewer of them No gaps, no overlaps
1.GM.C.8
Tell and write time in hours and half-hours using analog and digital clocks.
Taught inTime to the hour Time to the half hour The short hand tells the hour The 6 means 30 minutes
1.GM.C.9
Know the value of a penny, nickel, dime and quarter.
Taught inPennies, nickels, dimes, quarters Bigger coin, not bigger value
1.DS.A.1
Collect, organize and represent data with up to three categories.
Taught inTally marks in fives The fifth mark crosses Making a pictograph Reading a pictographand 2 more
1.DS.A.2
Draw conclusions from object graphs, picture graphs, T-charts and tallies.
Taught inTally marks in fives The fifth mark crosses Making a pictograph Reading a pictographand 2 more

All Missouri grades

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