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Number lines with a twist!

Number lines are a great way for kids to tangibly grasp the relationship between a written number and the amount it represents. We practice number lines as a group in the forest and we add in a bit of a treasure hunt theme just for fun.

Wood cookies are hidden throughout our forest classroom and the kids are invited to discover them and bring them back to our number line. Each cookie has a number from 1-20 written on it.

The kids have a two part mission:

1. Find the cookies and line them up from 1-20.

2. Collect leaves, twigs and cones from the forest floor and match each number with the corresponding amount of objects.

This is a team building exercise as well as a math exercise. Kids come together to help each other find and place wood cookies, gather materials and identify numbers.

Meeting Common Core State Standards in the forest!

#### Know number names and the count sequence.

CCSS.MATH.CONTENT.K.CC.A.1 Count to 100 by ones and by tens.

CCSS.MATH.CONTENT.K.CC.B.4 Understand the relationship between numbers and quantities; connect counting to cardinality.

CCSS.MATH.CONTENT.K.CC.B.4.A When counting objects, say the number names in the standard order, pairing each object with one and only one number name and each number name with one and only one object.

CCSS.MATH.CONTENT.K.CC.B.4.B Understand that the last number name said tells the number of objects counted. The number of objects is the same regardless of their arrangement or the order in which they were counted.

CCSS.MATH.CONTENT.K.CC.B.4.C Understand that each successive number name refers to a quantity that is one larger.

CCSS.MATH.CONTENT.K.CC.B.5 Count to answer "how many?" questions about as many as 20 things arranged in a line, a rectangular array, or a circle, or as many as 10 things in a scattered configuration; given a number from 1-20, count out that many objects.

#### Compare numbers.

CCSS.MATH.CONTENT.K.CC.C.6 Identify whether the number of objects in one group is greater than, less than, or equal to the number of objects in another group, e.g., by using matching and counting strategies.1

CCSS.MATH.CONTENT.K.CC.C.7 Compare two numbers between 1 and 10 presented as written numerals.

CCSS from http://www.corestandards.org