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Multiplication
Subtraction
Which operation?
Word Problems
Math Vocabulary
100
78 X 100 =
78 X 100 = 7800
100
700 - 35 =
665
100
When I see the words "how much more" in a word problem, which operation will I need to do to solve the question?
I will need to subtract.
100
Gurleen has 60 rows of pennies with 8 pennies in each row. How many pennies does she have in total?
60 X 8 = 480 Gurleen has 480 pennies.
100
What is the answer of a subtraction question called?
The difference
200
7000 X 9 =
7000 X 9 = 63000
200
976 - 98 --------
976 - 98 = 878
200
When you see "Find the product" in a math word problem, which operation do you need to do?
I will need to multiply.
200
Jahleel went for a walk this past weekend. He took 1507 steps on his walk. Prabhkirat also went for a walk and she took 1289 steps. About how many more steps did Jahleel take?
1507 -->1500 1289 --> 1300 1500-1300= 200 Jahleel took about 200 more steps than Prabhkirat.
200
What is the answer of a multiplication question called?
The product
300
15 X 14 =
15 X 14 = 210 15 X 2 X 7 = 30 X 7 = 210
300
1876 - 984 =
1876 - 984 = 892
300
Which operation can you use to check that your answer to a subtraction problem is correct?
Addition 18-9=9 To check: 9 + 9 = 18
300
How do I know that 4 X 30 and 8 X 15 equal the same number?
I know that 4 X 2 = 8 so I can write my equation as: 4 X 2 X 15. I know that 2 X 15 = 30; so, I can write it as 4 X 30 = 120
300
What does this symbol mean in a math question "X"?
It tells me I need to multiply the two numbers on either side of the "X" together. For Example: 3 X 4
400
19 X 45 =
10 x 45 = 450 9 X 45 = 405 450 + 405 = 855
400
4567 - 3987 =
4567 - 3987 = 580
400
When I see the words "How many are left?" in a math problem, which operation do I need to do?
I need to subtract.
400
Ms. Natividad, Ms. Lamba, and Ms. Czaniecki want to go on a trip together. Ms. Lamba and Ms. Natividad want to go to New York City 781 km away and Ms. Czaniecki wants to go to Los Angeles 4039 km away. How much further is Los Angeles and where should the three teachers go?
Los Angeles is 3258 km further away than New York City. 4039 - 781 = 3258
400
What are the two numbers of with either side of the "X" called in a multiplication question? 8 X 7 =
They are called factors.
500
84 X 26 =
84 X 6 = 504 84 X 20 = 1680 1680 + 504 = 2184
500
_______ - 7633 = 1298
1298 + 7633 = 8931 So, 8931 - 7633 = 1298
500
If a question talks about rows, how many items are in each row and asks you to find the total number, which operation are you using?
I will need to use multiplication.
500
Adam covered his walls with hockey posters. He used 13 rows with 16 posters in each row. Sam also covered his wall with posters but he had 19 rows with 12 posters in each. Whose wall had more posters? How many more posters did they have?
Adam had 208 posters. Sam had 228 posters. Sam had 20 more posters.
500
What is a multiple of 10?
It is the product of a number that was multiplied by 10. For example: 10, 100, 1000, 30, 500 etc