Use math drawings to represent equal groups, and relate to repeated addition. Video Lesson 20 , Lesson Use square tiles to compose a rectangle, and relate to the array model. Use math drawings to partition a rectangle with square tiles, and relate to repeated addition. Count up and down between 90 and 1, using ones, tens, and hundreds.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Use and explain the totals below written method using words, math drawings, and numbers. Solve word problems involving the total value of a group of bills. Represent subtraction with and without the decomposition of 1 ten as 10 ones with manipulatives. Model 1 more and 1 less, 10 more and 10 less, and more and less when changing the hundreds place. Strategies for Composing Tens and Hundreds Standard: Strategies for Decomposing Tens and Hundreds Standard:

Subtract from multiples of and from numbers with zero in the tens place.

Interpret equal shares in composite shapes as halves, thirds, and fourths. Read and write numbers within 1, after modeling with number disks. Order numbers in different forms.

Investigate the pattern of even numbers: Video Lesson euerkaLesson Count up and down between and using ones and tens. Video Lesson 3Lesson 4: Construct a paper clock by partitioning a circle into halves and quarters, and tell time to the half hour or quarter hour.

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

Solve addition and subtraction word problems using the ruler as a number line. Measure various objects using centimeter rulers and meter sticks.

Sort and record data into a table using up to four categories; use category counts to solve word problems. Formation of Equal Groups Standard: Solve word problems involving different combinations of coins with the homfwork total value. Creating an Inch Ruler Standard: Use rectangular arrays to investigate odd and even numbers.

Recognize the value of coins and count up to find their total value. Identify unknown numbers on a number line diagram by using the distance between numbers and reference points.

Model 1 more and 1 less, 10 more and 10 less, and more and less when changing the hundreds place. Student Explanations of Written Methods Standard: Application of Fractions to Lesskn Time Standard: Describe two-dimensional shapes based on attributes.

# Eureka math lesson 12 homework answer key

Combine shapes to create a composite shape; create a new shape from ,ath shapes. Collect and record measurement data in a table; answer questions and summarize the data set. Use manipulatives to represent the composition of 10 ones as 1 ten with two-digit addends. Represent arrays and distinguish rows and columns using math drawings.

# Homework Help / 2nd Grade

Measure various objects using inch rulers and yardsticks. Draw a bar graph to represent a given data set. Solve one- and two-step word problems within using strategies based on place value.

Video Lesson 14Lesson Write base ten numbers in expanded form. Finding 1, 10, and More or Less than a Number Standard: Tell time to the nearest five minutes; relate a. lesaon

Decompose to subtract from a ten when subtracting within 20 and apply to one-step word problems. Subtract multiples of and some tens within 1,