# Standard: N2

Understand meanings of operations and how they relate to one another

## Apples and Oranges

In this lesson, children will begin to develop an understanding of separating a set into a maximum of four parts.

## A Cat Quandary

In this lesson, children will use objects, pictures and numbers to play out scenarios that involve addition and subtraction.

## Dots of Fun

In this lesson, children will explore the concept of addition by counting the dots on a domino.

## Fractionpillar

In this lesson, children will create and record the fractions for each color of their caterpillar using colored pompoms.

## Groovy Buttons

In this lesson, children will read a book about Pete the Cat. As Pete loses the buttons from his shirt, the children will count down from four to zero.

## Jump in the River

In this lesson, children will explore addition of whole numbers.

## LEGO Math

In this lesson, children will practice counting and adding whole numbers using LEGO blocks.

## Monkey Mania

In this lesson, children will use subtraction by acting out the words to the accompanying book and song.

## Mouse Count

In this lesson, children will count sets of mice and add sets of mice together up to 10 and subtract from the set of mice, from 10 down to zero.

## One Duck Stuck

In this lesson, children will read the book and begin to recognize that each number is one more than the one before it and that a growing pattern is a pattern that increases or decreases by a constant difference.

## Picture Pie Fractions

In this lesson, children will identify parts of a whole and create pictures using a whole circle, a half circle, a quarter circle and an eighth of a circle.

## Pinch a Penny

In this lesson, children will use a die to subtract pennies until the winner “breaks the bank.”

## Quack and Count

In this lesson, children will use manipulatives to form different groups that make up the number seven.

## Remainder of One

In this lesson, children will arrange them 25 cubes into groups of two, three, four and five. The children will examine the different groups and learn about the concept of a remainder.

## Sandwich Shop Game

In this lesson, children look at a menu and count out sandwich pieces to build sandwiches and then calculate the prices of their sandwiches.

## Subtraction Bowling

In this lesson, children will subtract the number of “bowling pins” that are knocked down and calculate the remaining pins left standing, using a base of 10.

## Take a Trip with Rooster

In this lesson, children will predict, sort, add and subtract the various animals that Rooster meets on his trip.

## Tod und Leben (Life and Death)

In this lesson, children will play a card game and try to accumulate as many cards as possible by identifying the higher-ranking cards.

## Uno

In this lesson, children will practice sorting not-number cards from number cards and develop their number sense by identifying similar numbers, one below a number and one above a number.

## What Comes in Twos, Threes and Fours?

In this lesson, children will be able to recognize, sort and differentiate objects in groups of two, three and four.

## Yahtzee

In this lesson, children will add the numbers of two dice and cross out the sum.

## Return of the Sand Gardens

“I found GOLD!” squeals Laura. Four little friends are quick to join her in the latest gold rush in the sandbox. In the wee hours of the morning, often when the sun is barely above the horizon and the coffee is still being brewed, gold will magically appear in our sandbox. Spray-painted rocks that […]