Word Problems
Olivia has 326 crayons. She buys 145 more crayons. How many crayons does she have in total?
Olivia has 471 crayons in all.
What is a fraction?
Fractions are numbers that name part of a whole, or part of a group. Fractions always show equal parts.
What is a polygon?
A polygon is a flat, closed shape with three or more straight sides and angles.
5+7=
12
2x2=
4
A zoo had 728 visitors in the morning and 253 visitors in the afternoon. How many visitors were there altogether?
The zoo had 981 visitors in all.
What is partitioning?
When we partition shapes, we divide them into equal-sized parts.
What is an irregular polygon?
Irregular polygons have sides that are not equal in length and/or the angles are not the same.
10-8=
2
4x3=
12
There were 912 books in the library. 287 books were checked out. How many books are still in the library?
There are 625 books still in the library.
Name the parts of a fraction.
numerator - top number
denominator - bottom number
What is a 3D shape?
3-dimensional or 3D shapes are solid figures that have length, width, and height.
15+7=
22
7x3=
21
A toy store had 834 toys. It received a shipment of 289 more toys. How many toys does the store have now?
The toy store has 1,123 toys in the store now.
Give an example of a unit fraction.
1/4
What are the attributes of a 3D shape?
3D shapes are made up of these attributes: face, edge, and vertex.
25-7=
18
5x5=
25
Liam collected 800 baseball cards. He gave 276 cards to his friend. How many cards does Liam have left?
Liam has 524 baseball cards left.
Give an example of a non-unit fraction.
3/4
Describe the 3D shape attributes.
face - a flat surface; edge - a line where two faces meet; vertex - the point where 2 or more edges meet
12+12=
24
4x8=
32