Video Lesson 20 , Lesson Video Lesson 25 , Lesson Student Explanations of Written Methods Standard: Formation of Equal Groups Standard: Change 10 ones for 1 ten, 10 tens for 1 hundred, and 10 hundreds for 1 thousand. Count the total value of ones, tens, and hundreds with place value disks.

Describe a whole by the number of equal parts including 2 halves, 3 thirds, and 4 fourths. Problem Solving with Categorical Data Standard: Order numbers in different forms. Looking for video lessons that will help you in your Common Core Grade 2 math classwork or homework? Represent equal groups with tape diagrams, and relate to repeated addition.

# Common Core Grade 2 Math (Worksheets. Homework, Lesson Plans, Examples, Solutions)

Understand Concepts About the Ruler Standard: Sums and Differences Within Standard: Solve word problems using data presented in a bar graph. Share and critique solution strategies for varied addition and subtraction problems within 1, Use math drawings to represent equal groups, and relate to repeated addition.

Write, read, and relate base ten numbers in all forms.

Strategies for Composing Tens and Hundreds Standard: Video Video Lesson 4: Draw and label a picture graph to represent data with up to four categories. Relate manipulative representations to the addition algorithm. Represent two-digit sums and differences involving length by using the ruler as a number line.

Finding 1, 10, and More or Less than a Number Standard: Construct a paper clock by partitioning a circle into halves and quarters, and tell time to the half hour or quarter hour. Connect measurement with physical units by using iteration with an inch tile to measure.

Add and subtract multiples of 10 and some ones within Solve additions with up to four addends with totals within with and without two compositions of larger units. Pair objects and skip-count to relate to even numbers. Add and subtract multiples of 10 including counting on to subtract.

Describe two-dimensional shapes based on attributes. Use manipulatives to create equal groups. Write base ten numbers in expanded form. Identify unknown numbers on a number line diagram by using the distance between numbers and reference points.

Represent equal groups with tape diagrams, and relate to repeated addition. Read and write numbers within 1, after modeling with number disks. Recognize that equal parts of an identical rectangle can have different shapes. Explore a situation with more than 9 groups of Creating an Inch Ruler Standard: Solve one- and two-step word problems within using strategies based on place value.

# Module 5, Lesson 22 | Math, Elementary Math, 3rd grade | ShowMe

Solve two-digit addition and subtraction word problems involving length by using tape diagrams and writing equations to represent the problem. Order numbers in different forms.

Count up to 1, on the place value chart. Make a ten to add within Apply conceptual understanding of measurement by solving two-step word problems Video.

## Common Core Grade 2 Math (Worksheets, Homework, Solutions, Lesson Plans)

Use attributes to identify and draw different quadrilaterals including rectangles, rhombuses, parallelograms, and trapezoids. Develop estimation strategies by applying prior knowledge of length and using mental benchmarks. Use manipulatives to represent subtraction homeworo decompositions of 1 hundred as 10 tens and 1 ten as 10 ones.