Understanding Base 12 and Base 10 Conversions
Interactive Video
•
Mathematics
•
7th - 10th Grade
•
Practice Problem
•
Hard
Standards-aligned
Aiden Montgomery
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the place value of the digit '4' in the number 423 in base 10?
Ones place
Tens place
Thousands place
Hundreds place
Tags
CCSS.4.NBT.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In base 12, what is the place value of the digit represented by the variable x?
Twelfths place
Thousands place
Ones place
Hundreds place
Tags
CCSS.4.NBT.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do we use letters like 'A' and 'B' in bases larger than 10?
To make calculations easier
To represent numbers greater than 9
To confuse students
To avoid using numbers
Tags
CCSS.4.NBT.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in converting a number from base 12 to base 10?
Divide the number by 12
Add all the digits together
Multiply each digit by its place value
Subtract the digits from each other
Tags
CCSS.4.NBT.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What equation is set up to find the unknown digit x in base 12?
2 * 12 + x * 144 + 3 * 1 = 423
2 * 144 + x * 12 + 3 * 1 = 423
2 * 144 + x * 1 + 3 * 12 = 423
2 * 1 + x * 12 + 3 * 144 = 423
Tags
CCSS.4.NBT.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of x when the equation is solved?
12
11
10
9
Tags
CCSS.4.NBT.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the number 11 represented in base 12 to avoid confusion?
As the number 11
As the letter B
As the letter A
As the number 10
Tags
CCSS.4.NBT.A.2
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