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98 + 89 = ___ + ___ = ___. Use commutative rules of addition to answer the question.
89 + 98 = 187
Juan wants to find the sum of 12, 32, and 45. He says that the only way to add the numbers if to add from left to right. Is he correct? Explain using associative or commutative rule of addition?
No, he is not correct. Because if we change the number, the answer will be the same.
Which one is the complements of 100, 88 and 12 or 86 and 15?
88 and 12
Greesel has 178 books in her library. She wants to make a collection of 200 books. How many more books does she have to buy?
22 books
A bottle contains 365 ml of juice. Michie drinks the juice. Right now, there is 150 ml of juice in the bottle. How much juice does Michie drink?
215 ml
Mark has 370 stamps. Johnny has 200 more stamps than Mark. How many stamps does Johnny have?
570.
445 + 650 =
1095
Ms. Divta wants to buy a watch and a wallet. How much money does she have to pay?
$141
Januar wants to buy a pack of pencil. He pays with 2 ten-dollars notes and get a $5 as change. What is the cost of the pack of pencil?
$15
