Click anywhere to begin!
Click here to continue
Why, hello there, friend!
Welcome to...
I am your Rounding Ringmaster.
Before the show starts, let's help our acts warm up!
WHERE ARE THE CLOWNS?!
but wait...
All of our acts are ready!
200
210
180
170
190
Steps
The clowns are busy
We MUST find them before the show begins.
Mission:
Find all four clowns before the show starts!
You,my friend, must use your rounding skills to help find them.
What Is Rounding?
Click the video below. After watching, click the next arrow to continue.
reWatch
reWatch
Click here to rewatch previous videos
Benchmark
Click the video below. After watching, click the next arrow to continue.
60 and 70 are benchmark numbers when rounding 63 to the nearest ten
reWatch
-the nearest tens on either side of a number
Benchmark
What are the benchmarks you would use when rounding 73 to the nearest ten?
73
70
73
80
80
90
70
60
70
+ 3
73 is in between the benchmarks 70 and 80
Benchmark
Benchmark
73
80
70
-the nearest tens on either side of a number
Benchmark
Ex: 60 and 70 are benchmark numbers when rounding 63 to the nearest ten
reWatch
88
90
100
80
70
-the nearest tens on either side of a number
Benchark
The next problem has 3 digits, but.... DON'T BE FOOLED!
Ex:
You are still rounding to nearest ten!
What benchmarks would you use to round 256 to the nearest ten?
CHALLENGE
PROBLEM
reWatch
What benchmarks would you use to round 199 to the nearest ten? Click the glowing rope between the two benchmarks it's between.
56
250
260
190
180
170
200
50
60
50 + 6
56
-the nearest tens on either side of a number
Benchark
60
50
reWatch
What benchmarks would you use to round 199 to the nearest ten? Click the glowing rope between the two benchmarks it's between.
190
180
170
200
199 is in between the benchmarks 190 and 200.
Benchmark
Benchmark
199
200
190
Thumps on the roof?...
C'mon!
Don't throw those!
Shirley threw her juggling balls up on the roof! Help us decide what side of the tent to catch the balls on by rounding to the nearest ten.
Click the video below. After watching, click the next arrow to continue.
Midpoint
Click the video below. After watching, click the next arrow to continue.
ark
ark
Midpoint
reWatch
-halfway between the two benchmark numbers
Midpoint
85
Benchmark
Benchmark
Ex: 85 is halfway between the benchmark numbers 80 and 90.
90
80
Click the video below. After watching, click the next arrow to continue.
Using a Number Line
Click the video below. After watching, click the next arrow to continue.
Using a Number Line
reWatch
What is 91 rounded to the nearest ten?
95
Click & Drag the red ball to its correct spot on the number line. Be careful — place it exactly where it belongs!
Click the next arrow when finished
Locateumber on # line
91
92
93
94
96
97
98
99
100
90
reWatch
What is 91 rounded to the nearest ten? Click on either 90 or 100.
95
91
92
93
94
96
97
98
99
Locateumber on # line
100
90
To the nearest ten, 91 rounds to 90!
85
100
90
Click the video below. After watching, click the next arrow to continue.
Using a Number Line
reWatch
reWatch
What is 35 rounded to the nearest ten?
Click & Drag the ball to its correct spot on the number line. Be careful — place it exactly where it belongs!
Click & Drag the ball to its correct spot on the number line. Be careful — place it exactly where it belongs!
35
35
Click & Drag the yellow ball to its correct spot on the number line. Be careful — place it exactly where it belongs!
Click the next arrow when finished
Click the next arrow when finished
Click the next arrow when finished
Locateumber on # line
31
32
33
34
36
37
38
39
40
30
reWatch
What is 35 rounded to the nearest ten? Click on either 30 or 40.
35
31
32
33
34
36
37
38
39
ROUND TO NEAREST BENCHMARK
40
30
Rounding Using a Number Line Video Library
Click on the video you would like to rewatch!
What Is Rounding?
What Is a Benchmark?
Rounding Using a Number Line Video Library
Click on the video you would like to rewatch!
What Is Rounding?
What Is a Benchmark?
Rounding Using a Number Line Video Library
Click on the video you would like to rewatch!
Benchmark-the nearest tens on either side of a number
Midpoint-halfway between the two benchmark numbers
Rounding Example Problem Step 1
Rounding to the Nearest Ten
Rounding Using a Number Line Video Library
Click on the video you would like to rewatch!
What Is Rounding?
What Is a Benchmark?
Rounding Using a Number Line Video Library
Click on the video you would like to rewatch!
Benchmark-the nearest tens on either side of a number
Midpoint-halfway between the two benchmark numbers
Rounding Example Problem Midpoint
Rounding to the Nearest Ten
Rounding Using a Number Line Video Library
Click on the video you would like to rewatch!
What Is Rounding?
What Is a Benchmark?
What Is a Midpoint
Rounding Using a Number Line Video Library
Click on the video you would like to rewatch!
Benchmark-the nearest tens on either side of a number
Midpoint-halfway between the two benchmark numbers
Rounding Example Problem Midpoint
Rounding to the Nearest Ten
Rounding Using a Number Line Video Library
Click on the video you would like to rewatch!
Benchmark-the nearest tens on either side of a number
Midpoint-halfway between the two benchmark numbers
Rounding Example Problem Step 2
Rounding to the Nearest Ten
Rounding Using a Number Line Video Library
Click on the video you would like to rewatch!
What Is Rounding?
Rounding Using a Number Line Video Library
Click on the video you would like to rewatch!
What Is Rounding?
What Is a Benchmark?
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TEACHER whole group version CONCEPTUAL
Jamie Lombardo
Created on September 25, 2025
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Transcript
Click anywhere to begin!
Click here to continue
Why, hello there, friend!
Welcome to...
I am your Rounding Ringmaster.
Before the show starts, let's help our acts warm up!
WHERE ARE THE CLOWNS?!
but wait...
All of our acts are ready!
200
210
180
170
190
Steps
The clowns are busy
We MUST find them before the show begins.
Mission:
Find all four clowns before the show starts!
You,my friend, must use your rounding skills to help find them.
What Is Rounding?
Click the video below. After watching, click the next arrow to continue.
reWatch
reWatch
Click here to rewatch previous videos
Benchmark
Click the video below. After watching, click the next arrow to continue.
60 and 70 are benchmark numbers when rounding 63 to the nearest ten
reWatch
-the nearest tens on either side of a number
Benchmark
What are the benchmarks you would use when rounding 73 to the nearest ten?
73
70
73
80
80
90
70
60
70
+ 3
73 is in between the benchmarks 70 and 80
Benchmark
Benchmark
73
80
70
-the nearest tens on either side of a number
Benchmark
Ex: 60 and 70 are benchmark numbers when rounding 63 to the nearest ten
reWatch
88
90
100
80
70
-the nearest tens on either side of a number
Benchark
The next problem has 3 digits, but.... DON'T BE FOOLED!
Ex:
You are still rounding to nearest ten!
What benchmarks would you use to round 256 to the nearest ten?
CHALLENGE
PROBLEM
reWatch
What benchmarks would you use to round 199 to the nearest ten? Click the glowing rope between the two benchmarks it's between.
56
250
260
190
180
170
200
50
60
50 + 6
56
-the nearest tens on either side of a number
Benchark
60
50
reWatch
What benchmarks would you use to round 199 to the nearest ten? Click the glowing rope between the two benchmarks it's between.
190
180
170
200
199 is in between the benchmarks 190 and 200.
Benchmark
Benchmark
199
200
190
Thumps on the roof?...
C'mon!
Don't throw those!
Shirley threw her juggling balls up on the roof! Help us decide what side of the tent to catch the balls on by rounding to the nearest ten.
Click the video below. After watching, click the next arrow to continue.
Midpoint
Click the video below. After watching, click the next arrow to continue.
ark
ark
Midpoint
reWatch
-halfway between the two benchmark numbers
Midpoint
85
Benchmark
Benchmark
Ex: 85 is halfway between the benchmark numbers 80 and 90.
90
80
Click the video below. After watching, click the next arrow to continue.
Using a Number Line
Click the video below. After watching, click the next arrow to continue.
Using a Number Line
reWatch
What is 91 rounded to the nearest ten?
95
Click & Drag the red ball to its correct spot on the number line. Be careful — place it exactly where it belongs!
Click the next arrow when finished
Locateumber on # line
91
92
93
94
96
97
98
99
100
90
reWatch
What is 91 rounded to the nearest ten? Click on either 90 or 100.
95
91
92
93
94
96
97
98
99
Locateumber on # line
100
90
To the nearest ten, 91 rounds to 90!
85
100
90
Click the video below. After watching, click the next arrow to continue.
Using a Number Line
reWatch
reWatch
What is 35 rounded to the nearest ten?
Click & Drag the ball to its correct spot on the number line. Be careful — place it exactly where it belongs!
Click & Drag the ball to its correct spot on the number line. Be careful — place it exactly where it belongs!
35
35
Click & Drag the yellow ball to its correct spot on the number line. Be careful — place it exactly where it belongs!
Click the next arrow when finished
Click the next arrow when finished
Click the next arrow when finished
Locateumber on # line
31
32
33
34
36
37
38
39
40
30
reWatch
What is 35 rounded to the nearest ten? Click on either 30 or 40.
35
31
32
33
34
36
37
38
39
ROUND TO NEAREST BENCHMARK
40
30
Rounding Using a Number Line Video Library
Click on the video you would like to rewatch!
What Is Rounding?
What Is a Benchmark?
Rounding Using a Number Line Video Library
Click on the video you would like to rewatch!
What Is Rounding?
What Is a Benchmark?
Rounding Using a Number Line Video Library
Click on the video you would like to rewatch!
Benchmark-the nearest tens on either side of a number
Midpoint-halfway between the two benchmark numbers
Rounding Example Problem Step 1
Rounding to the Nearest Ten
Rounding Using a Number Line Video Library
Click on the video you would like to rewatch!
What Is Rounding?
What Is a Benchmark?
Rounding Using a Number Line Video Library
Click on the video you would like to rewatch!
Benchmark-the nearest tens on either side of a number
Midpoint-halfway between the two benchmark numbers
Rounding Example Problem Midpoint
Rounding to the Nearest Ten
Rounding Using a Number Line Video Library
Click on the video you would like to rewatch!
What Is Rounding?
What Is a Benchmark?
What Is a Midpoint
Rounding Using a Number Line Video Library
Click on the video you would like to rewatch!
Benchmark-the nearest tens on either side of a number
Midpoint-halfway between the two benchmark numbers
Rounding Example Problem Midpoint
Rounding to the Nearest Ten
Rounding Using a Number Line Video Library
Click on the video you would like to rewatch!
Benchmark-the nearest tens on either side of a number
Midpoint-halfway between the two benchmark numbers
Rounding Example Problem Step 2
Rounding to the Nearest Ten
Rounding Using a Number Line Video Library
Click on the video you would like to rewatch!
What Is Rounding?
Rounding Using a Number Line Video Library
Click on the video you would like to rewatch!
What Is Rounding?
What Is a Benchmark?
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat, duis aute irure dolor in reprehenderit.