LEARN NC

K–12 teaching and learning · from the UNC School of Education

Goal 1

Number and Operations - The learner will read, write, model, and compute with whole numbers through 999.

Objective 1.05

Create and solve problems using strategies such as modeling, composing and decomposing quantities, using doubles, and making tens and hundreds.

Resources aligned to this objective

Resources on the web

Fact Families
Students use books and connecting cubes to explore the relationship of addition to subtraction. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Exploring Pennies and Dimes
Students examine pennies and dimes and model subtraction as they listen to a children's book. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Exploring Other Number Patterns
Students make and extend patterns with numbers in a variety of mathematical contexts. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Exploring Adding with Sets
Reading The Hershey's Kisses Addition Book will set the stage for this lesson in which students write story problems, find sums using sets, and present results in the form of a table. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Draw a math story: From the concrete to the symbolic
This ReadWriteThink activity begins with the reading aloud of several math-oriented stories, identifies key mathematical vocabulary terms, models math story writing, and then gives students an opportunity to write addition and subtraction stories. Students... (Learn more)
Format: lesson plan (grade K–2 English Language Arts and Mathematics)
Provided by: ReadWriteThink
Do it with dominoes: Looking back and moving forward
In this lesson, students show that they have mastered addition by applying the skill to playing a domino game. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Counting Back and Counting On
Students make a train of connecting cubes and write in vertical and horizontal format the differences suggested by adding to and subtracting from the train one cube at a time. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Counting Back
Students count to compare plates of fish-shaped crackers then record the comparison in vertical and horizontal format. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Count to 10: Looking Back and Moving Forward
The final segment of an eight-part unit titled “Count to 10.” Students review this unit by creating, decomposing, and comparing sets of zero to 10 objects and by writing the cardinal number for each set. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Comparing Sets
Students write subtraction problems and model them with cubes. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Combining Foods
Students explore addition and comparison subtraction by modeling and recording related addition and subtraction facts for a given number. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Building Sets of 19 and 20
Students count up to 20, construct and decompose sets up to 20, and record the decompositions. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Building Sets of 17 and 18
Students construct sets up to 18, write the numerals 17 and 18, and model 17 and 18 with bean sticks, cubes, and ten frames. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Building Sets of 15 and 16
Students explore the numbers 15 and 16. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Building Sets of 13 and 14
Students construct and identify sets of 13 and size 14. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Building Sets of 11 and 12
Students use bean sticks, connecting cubes, and ten frames to construct sets of 11 and 12, and then record and compare them. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Balancing Equations
This lesson encourages students to explore another meaning for operations of subtraction, the balance. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Balancing Discoveries
This lesson, one of a nine-part unit from Illuminations titled “Do It with Dominoes,” encourages students to explore another model of addition, the “balance” model. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Balancing
Students are encouraged to explore another model of subtraction—the balance. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics