UNIT OVERVIEW

Students focus on the number 100 and multiples of 5 and 10 as they explore number relationships in a variety of contexts. They use different tools such as coins, links, connecting cubes, and the 100 Chart to "see" the number 100 and to solve addition and subtraction problems.

EXPECTATIONS
Use this list of expectations to assess students on the key concepts and skills in this unit.
E1* Partition 100 into groups of ten.
E2* Represent partitions of numbers using links, coins, 100 Chart, and number sentences.
E3* Represent addition and subtraction using number sentences.
E4 Read and write numbers to 100.
E5 Identify numbers that are 10 more, 10 less, one more, and one less than a number using the
100 Chart and the number line.
E6 Use skip counting to find the value of a collection of pennies, nickels, dimes, and quarters.
E7 Solve addition and subtraction problems involving multiples of ten using links, coins, ten frames, and the 100 Chart.
E8 Recognize the relationship between larger and smaller units of measure (e.g., 1 hour is
60 minutes; 1 dime is 2 nickels).
E9 Recognize that the measure of a length is dependent on the size of the unit of measure (e.g., a pencil is 4 large paper clips or 6 small paper clips).
E10 Read and write time to the nearest hour and half hour using an analog clock.
E11 Estimate lengths using non-standard and standard units (e.g., links, inches).
E12 Demonstrate fluency with the addition facts with sums to ten in Group D.
E13 Determine the unknown number in an addition or subtraction sentence relating three whole numbers for the facts with sums to ten in Group D.
* Denotes Benchmark Expectation