Strategies for Composing Tens and Hundreds Standard: Tell time to the nearest five minutes. Relate manipulative representations to the subtraction algorithm, and use addition to explain why the subtraction method works. Make number bonds of ten. Video Video Lesson 4:
Order numbers in different forms. Finding 1, 10, and More or Less than a Number Standard: Use the associative property to subtract from three-digit numbers and verify solutions with addition. Add and subtract within multiples of ten based on understanding place value and basic facts. Video Lesson 14 , Lesson Measure various objects using inch rulers and yardsticks.
Bundle and count ones, tens, and hundreds to 1, Use math drawings to represent subtraction with up to two decompositions, relate drawings to the algorithm, and use addition to explain why the subtraction method works. Represent two-digit sums and differences hokework length by using the ruler as a number line.
Common Core Grade 2 Math (Worksheets. Homework, Lesson Plans, Examples, Solutions)
Draw a line plot to represent the measurement data; relate the measurement scale to the number line. Video Lesson 20Lesson Use math drawings to represent additions with up to two compositions and relate drawings to a written method. 2.77 manipulatives to create equal groups. Model and use language to lseson about 1 more and 1 less, 10 more and 10 less, and more and less. Apply conceptual understanding of measurement by solving two-step word problems Video.
Strategies for Adding and Subtracting Within 1, Standard: Represent arrays and distinguish rows and columns using math drawings. Use attributes to identify and draw different quadrilaterals including rectangles, rhombuses, parallelograms, and trapezoids.
Use manipulatives to represent subtraction with decompositions of 1 hundred as 10 tens and 1 ten as 10 ones. Measure an object twice using different length units and compare; relate measurement to unit size.
Subtract from and from numbers with zeros in the tens place. Relate the square to the cube, and describe the cube based on attributes. Use math drawings to represent the composition when adding a two-digit to a three-digit addend. Write base ten numbers in expanded form.
Marh Lesson 3Lesson 4: Creating an Inch Ruler Standard: Use the fewest number of coins to make a given value. Order numbers in different forms. Solve two-step word problems within Video Lesson 25Lesson Build, identify, and analyze two-dimensional shapes with specified attributes. Apply concepts to create unit rulers and measure lengths using unit rulers.
Common Core Grade 2 Math (Worksheets, Homework, Solutions, Lesson Plans)
Add and subtract within multiples of ten based on understanding place value and basic facts. Application of Fractions to Tell Time Standard: Use rectangular arrays to investigate odd and even lessonn. Video Lesson 2Lesson 3: Use grid paper to create designs to develop spatial structuring. Video Lesson 9Lesson Finding 1, 10, and More or Less than a Number Standard: Relate 10 more, 10 less, more, and less to addition and subtraction of 10 and Use number bonds homewodk break apart three-digit minuends and subtract from the hundred.