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Question
Mr. Albie collects 57 pebbles, Snowball takes away some of them. Now, Mr. Albie is left with 45 pebbles. How many pebbles does Snowball take away?
Mr. Albie collects 57 pebbles, Snowball takes away some of them. Now, Mr. Albie is left with 45 pebbles. How many pebbles does Snowball take away?
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Solution
The correct option is A 12
Number of pebbles Mr. Albie collects = 57
Number of pebbles left with Mr. Albie after Snowball takes away some = 45
Number of pebbles Snowball takes away = 57 − 45
We count backward by using the number line to find the answer.
Therefore, Snowball takes away 12 pebbles from Mr. Albie.
Number of pebbles Mr. Albie collects = 57
Number of pebbles left with Mr. Albie after Snowball takes away some = 45
Number of pebbles Snowball takes away = 57 − 45
We count backward by using the number line to find the answer.
Therefore, Snowball takes away 12 pebbles from Mr. Albie.
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