Vocabulary
What is the answer to an addition problem called?
Sum
A store sold 234 pencils on Monday and 189 on Tuesday. How many pencils in all?
423 Pencils
A farmer picked 245 apples. He sold 178. Then he picked 96 more. How many apples?
163 Apples
Round 678 to the nearest hundred.
700
Round 56 to the nearest ten.
60
A letter that stands for an unknown number is called a ______.
Varible
Mia read 325 pages of her book. She has 147 left. How many in the whole book?
472 Pages
A store had 472 notebooks. They sold 256, then ordered 189 more. How many now?
405 Notebooks
Round 3,498 to the nearest thousand.
3,000
Round 487 to the nearest hundred.
500
What is the answer to a subtraction problem?
Difference
The school raised $468. They spent $235 on supplies. How much money is left?
$233
845 students in a school. 369 are girls. The rest are boys. If 217 boys went on a trip, how many boys stayed?
259 Boys
6,245 – 4,389 = ?
1,856
Round 3,254 to the nearest thousand.
3,000
What is a math sentence with an equal sign called?
Equation
A zoo had 738 visitors in the morning and 654 in the afternoon. 285 left before closing. How many visitors stayed?
1,107 Visitors
A theater has 1,250 seats. 878 are filled. If 263 more people come, how many seats are empty?
109 Seats
9,875 + 4,692 = ?
14,567
Round 6,891 to the nearest hundred.
6,900
Explain the difference between a sum and a difference.
Sum = addition answer; Difference = subtraction answer
A bakery made 426 muffins. They sold 278 in the morning and 109 in the afternoon. How many muffins are left?
39 Muffins
A farmer planted 562 corn seeds and 438 bean seeds. Later, 276 plants grew tall. How many plants are still small?
724 Small Plants
7,408 – 2,965 = ?
4,443
Round 45,672 to the nearest ten thousand.
50,000