Adding 2-Digit Numbers by Making 10s
Interactive Video
•
Mathematics
•
1st - 6th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
This video tutorial teaches how to add up to four 2-digit numbers by making 10s. It begins with a review of making 10s and skip counting by 10s. The lesson includes examples of calculating costs for lunch, movie expenses, and bowling alley costs, demonstrating how grouping numbers to make 10 simplifies addition. The tutorial also clarifies that numbers can be added in any order without affecting the sum, emphasizing the commutative property of addition.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
Calculate the total cost of a trip to the movies if popcorn costs $12, candy costs $3, and a drink costs $8.
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the total cost for the bowling alley if shoe rental is $3, bowling is $14, snacks are $6, and arcade costs $12?
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OFF
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