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- Grade Range
- 1st
- Rating

Students count to 100 orally as they use grids to display the 100 raisins they counted. Full Review »
- Grade Range
- Kindergarten
- Rating

Students practice their oral counting skills using a hundreds chart and pennies as manipulatives. Full Review »
- Grade Range
- Kindergarten - 2nd
- Rating

Students celebrate the one hundredth day of school by participating in a variety of math and language arts activities based on the number one hundred. Full Review »
- Grade Range
- 1st
- Rating

Students add and subtract by tens using a One Hundred Chart. They locate a specified number on the chart and place an object on that number, add a specified amount of ones, and identify the new number. Students also subtract ones using the chart. Full Review »
- Grade Range
- 1st
- Rating

Students estimate number sums rounding to the nearest one hundred. They count by tens to five hundred and by hundreds to a thousand and discuss how to estimate to the nearest hundred. They complete examples during guided practice with the teacher, and independently complete a worksheet. Full Review »
- Grade Range
- 2nd
- Rating

Students estimate number sums and round to the nearest ten. They discuss the purpose of estimating, and as a class count to a thousand by hundreds. Next, they solve equations by counting the tens, then independently complete a worksheet. Full Review »
- Grade Range
- 2nd
- Rating

Students estimate number sums by rounding to the nearest hundred. They count by tens to one thousand, then discuss how to round to the nearest hundred. They work through a variety of examples with the teacher, then in small groups solve an equation and explain the process they use to solve the problem. Full Review »
- Grade Range
- 3rd
- Rating

Students receive instruction on the meaning of estimation in that it is a way of guessing an amount. They count by tens to one hundred, by tens to two hundred starting at 100, by tens from three hundred and to five hundred recognizing the pattern. They then solve some problems whole group, counting only by tens. Full Review »
- Grade Range
- Kindergarten - 2nd
- Rating

Students participate in various 100th Day activities. They count to 100 by 1s, 2s, 5s, and 10s, estimate time in seconds and minutes, estimate distance, make counting charts, develop ideas for book entitled "I Wish I had 100," and write and illustrate book for display. Full Review »
- Grade Range
- 2nd - 3rd
- Rating

Students review their numbers up to one hundred. Using a chart, they compare and predict patterns that might be in the numbers. They practice skip counting and grouping numbers. Using a spreadsheet, they graph different sets of numbers and count them outloud. Full Review »

