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Finding the Hidden Addend

1st Grade Math

Â» Unit:

Working with Numbers, Operations, and Story Problems

Big Idea:CSI First Grade! Today your young investigators will try to find the missing addend while playing two different missing addend games.

Building Tens at the Lego Factory

1st Grade Math

Â» Unit:

Count to 100 Every Day!

Big Idea:Students head to the Lego Factory to build orders using what they know about base ten!

Constructing Tens and Ones

1st Grade Math

Â» Unit:

Count to 100 Every Day!

Big Idea:Students get hands on, minds on experience with counting, while also constructing understanding of tens and ones.

Tens and Ones, Dimes and Pennies

1st Grade Math

Â» Unit:

Time is Money: Hitting all the MD Standards

Big Idea:Students use their understanding of base 10 to make coin counting a breeze!

Down on the Farm: Base 10 Problems

1st Grade Math

Â» Unit:

Count to 100 Every Day!

Big Idea:Students have been learning about tens and ones. This day allows them to apply what they know to a "real life" farm crisis! The chickens have laid a bunch of eggs and students have to figure out how many the farmer is collecting!

WANTED: Runaway Number

1st Grade Math

Â» Unit:

Count to 100 Every Day!

Big Idea:Students bring together all of their understanding about counting and base ten with this summative activity!

Using the Number Grid to Add or Subtract Ten

1st Grade Math

Â» Unit:

The Ten Concept: Counting On and Off the Decade and Knowing 10 More/ 10 Less

Big Idea:The Number Grid Challenge. Students will play a game that requires them to add or subtract ten from a number using the number grid. They will record their results using standard notation.

Tens and Ones to 50

1st Grade Math

Â» Unit:

Numbers and Place Value

Big Idea:Tens, Tens! In this lesson students will use base ten blocks to build numbers to 50.

Counting From A Number

1st Grade Math

Â» Unit:

Working with Numbers, Operations, and Story Problems

Big Idea:Students will continue working with games that ask them to use the counting on strategy. The lesson will end with a story problem that allows for the students to use the counting on strategy in a real world situation.

Pick Your Ten

1st Grade Math

Â» Unit:

The Ten Concept: Counting On and Off the Decade and Knowing 10 More/ 10 Less

Big Idea:Score this party a 10! Students will join in a 10 celebration as they choose from their favorite unit activities .

What is a Digit

2nd Grade Math

Â» Unit:

Sensible Numbers

Big Idea:Students extend their understanding of the place value system, in base-ten notation, recognizing that the digits in each place represent amounts of hundreds, tens or ones.

Groups of 10 and leftovers

1st Grade Math

Â» Unit:

Place Value

Big Idea:My students have mastered counting by tens, but we are continuing to practice the skill while also learning about the place value of tens numbers.

Place Value: Vocabulary

1st Grade Math

Â» Unit:

Place Value

Big Idea:My students will be working hard on place value for this unit. I want to ensure they have a strong grasp of the terms tens, ones, digit and place value.

Counting Collections: 100 Objects

1st Grade Math

Â» Unit:

Count to 100 Every Day!

Big Idea:Students work to count to 100 in this rigorous counting activity. Students create a shape out of their 100 objects for a creative twist.

How Many On My Plate? (Addition)

1st Grade Math

Â» Unit:

The Ten Concept: Counting On and Off the Decade and Knowing 10 More/ 10 Less

Big Idea:Students will use their ability to count by tens on and off the decade by taking part in an activity that requires them to start with a number of cubes and then repeatedly add ten.

1.NBT.B.2a

10 can be thought of as a bundle of ten ones â called a âten.â

1.NBT.B.2b

The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.

1.NBT.B.2c

The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).