
Understanding Addition and Decomposition

Interactive Video
•
Mathematics
•
2nd - 3rd Grade
•
Hard

Liam Anderson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean to decompose a number?
To multiply it by ten
To break it into smaller parts
To divide it by two
To add it to another number
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which property states that the order of addends does not change the sum?
Identity Property
Commutative Property
Distributive Property
Associative Property
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a way to make ten?
5 + 5
2 + 8
1 + 9
3 + 6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many ones are there in the number fifteen?
Fifteen
Zero
Ten
Five
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sum of one ten and nine ones?
Twenty
Nineteen
Ten
Nine
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you have a ten rod and remove one block, how many blocks are left?
Eight
Seven
Nine
Ten
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you decompose the number 5 to use it with a near ten like 9?
Into 3 and 2
Into 5 and 0
Into 1 and 4
Into 2 and 3
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