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to host your school's Math-A-Thon
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Subtraction
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Subtraction of 3 numbers word problem within 20
All Subtraction math games
Subtraction within 10
Subtraction word problem within 10
Subtraction missing number within 10
Subtraction missing number word problem within 10
Subtraction missing number with 3 numbers within 10
Subtraction of 3 numbers word problem within 20
Subtraction metric distance word problem within 20
Alberto had
ten
storybooks on his bookshelf. He lent
one
book to his friend and donated
six
books to the library. How many books does Alberto have on his bookshelf now?
book
Answer
Skip
Hint
Can you answer 10 correctly?
10 less 1 and 6 is
?
10
7
?
When subtracting numbers, it can be helpful to decompose the second number using the place value method and then use the arrow method to decrease the first number by each place value
For example, if we have 875 - 239
Decompose 239 into 2 hundreds, 3 tens, and 9 ones
Decrease 875 by -200 (=675)
Decrease 675 by -30 (=645)
Decrease 645 by -9 (=636)
Strategies:
Arrow Method
,
Break Apart
,
Compensation
,
Number Bond