# Standard: 6B

Add and subtract to create new numbers and begin to construct sets.

## A Cat Quandary

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

## Apples and Oranges

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

## 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.

## Hot Cocoa Math

In this lesson, children will count the marshmallows in their hot chocolate and write the number on their hot chocolate mugs.

## Hungry Alligator

In this lesson, children will determine if a number is greater than, less than or equal to another.

## Jack and the Beanstalk

In this lesson, children will estimate and then measure how many beans fit in the giant’s hand and compare it to how many beans fit in their own hands.

## 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.

## Number Sequence Puzzle

In this lesson, children will assemble a puzzle using number strips in the order of 1-10.

## Number Yard

In this lesson, children will create their own number yard books by drawing the number of objects that correspond with the numbers on the pages of the book.

## 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.

## 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.

## 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.

## 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.

## 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 […]

## Rocking through Early Learning Standards

Rock balancing or CAIRNS has found its way into our play again this week! Stacking and balancing rocks encourages math and science investigations that are always developmentally appropriate. My adrenaline starts flowing and a smile grows on my face when a two-year-old child exhibits an innate sense of how to balance many more rocks […]

## May the Force be With You

“Look! The people blocks are in a line and they crash at the bottom,  just like when we play on the slide!” This is a lightbulb moment as Evelyn transfers knowledge gleaned from a previous play experience into her current hands-on learning. A chain-reaction domino fall during today’s block play reminds Evelyn of […]