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

Place the value
This activity allows students to create 3-digit numbers while strategically trying to "out value" their opponents' values.
Format: lesson plan (grade 2 Mathematics)
By amy cord.
Making change to $1.00.
In this lesson students will work in small groups making change to $1.00 using coins and pictures of items priced from Sunday fliers. In advance the teacher will cut out pictures of items costing less than $1.00.
Format: lesson plan (grade 2 Mathematics)
By Julie Hohns.

Resources on the web

Writing numerals to five
In this lesson, one of a multi-part unit from Illuminations, students construct groups of a given size, recognize the number in the group, and record that number in numerals. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
What balances?
In this lesson, one of a multi-part unit from Illuminations, students explore another meaning of subtraction: the balance. (Learn more)
Format: lesson plan (grade 2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Taking Away Sets
Students explore another model for subtraction, the familiar set model. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Take Away
Introduces elementary students to subtraction by creating a link between students' experiences and mathematics. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Sum Search
Students practice addition facts in a concentration-game format using dominoes. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Some Special Sums
Students practice doubles and doubles-plus-one addition facts. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Seeing Doubles
Students focus on dominoes with the same number of spots on each side and on the related addition facts. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Number Cents: Looking Back and Moving Forward
Students discuss and model prices, review the money words they've learned, and play games to facilitate continuing practice. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Making Glyphs
Students learn a powerful way to display data-using a glyph. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Making Change
Students model prices mentioned in a children's book. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Lost buttons
In this lesson, one of a multi-part unit from Illuminations, students investigate subtraction more directly, beginning with the easier “take away” mode. They model “take away” subtraction with buttons and write subtraction sentences.... (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Let's Count to 20: Looking Back and Moving Forward
Students use ten frames and connecting cubes to explore sets of 10 to 20. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Learning about number relationships and properties of numbers using calculators and hundred boards
Virtual hundred boards and calculators furnish a visual way of highlighting and displaying various patterns and relationships among numbers. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
How Many Buttons?
Students review classification, make sets of a given number, explore relationships between numbers, and find numbers that are one more and one less than a given number. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Giant story problems: Reading comprehension through math problem solving
This ReadWriteThink activity focuses on reading comprehension skills as they apply to mathematics story problems, as well as on written and verbal mathematics communication skills. Students use drawings, equations, and written responses to solve single... (Learn more)
Format: lesson plan (grade K–2 English Language Arts and Mathematics)
Provided by: ReadWriteThink
Get the Picture--Get the Story
Students explore the connections between mathematics and football. (Learn more)
Format: lesson plan (grade K–5 Mathematics)
Provided by: National Council of Teachers of Mathematics
Finding Addition Patterns
Students explore commutativity and examine addition patterns. Then they record known facts on a personal addition chart. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Fact Family Fun
The relation of addition to subtraction is explored with fish-shaped crackers. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics