curriculum/challenges/english/blocks/learn-how-to-talk-about-numbers-with-a-coworker/684963d319affe9116b6538c.md
Listen to the audio and complete the sentence below.
The platform was used BLANK about sixty hours per week by the team.
on average
This two-word phrase means the typical or usual amount when measured over a period of time.
On average means the typical amount something happens when you look at a time period as a whole. For example:
On average, developers work 30 hours per week on the project. — Usually, developers spend 30 hours weekly on the project.
It's useful when the exact number changes from week to week, but you want to show the usual pattern.
{
"setup": {
"background": "company2-center.png",
"characters": [
{
"character": "Tom",
"position": {
"x": 50,
"y": 15,
"z": 1.2
},
"opacity": 0
}
],
"audio": {
"filename": "B1_23-3.mp3",
"startTime": 1,
"startTimestamp": 63.94,
"finishTimestamp": 68.5
}
},
"commands": [
{
"character": "Tom",
"opacity": 1,
"startTime": 0
},
{
"character": "Tom",
"startTime": 1,
"finishTime": 5.56,
"dialogue": {
"text": "The platform was used on average about sixty hours per week by the team.",
"align": "center"
}
},
{
"character": "Tom",
"opacity": 0,
"startTime": 6.06
}
]
}