Addition & Subtraction
64 + 28
92
9 ⨉ 3 =
27
4
What is the perimeter of a triangle with side lengths 3 inches, 4 inches, and 5 inches?
12 inches
A rectangle has an area of 18 units2 and a length of 3 units. What is its width?
6 units
433 + 689
1,122
36 ÷ 6 =
6
Round 18 to the nearest ten.
20
What is the area of a rectangle with a length of 4 cm and a width of 8 cm?
32 cm2
Parker starts practicing piano at 6:13 PM. He practices for 27 minutes. What time does he finish practicing?
6:40 PM
328-167
161
8 ⨉ ____ = 56
7
Round 981 to the nearest hundred.
1,000
A square has an area of 64 cm2. What is the length of its sides?
8 cm
It is now 12:24 PM. Sahana has been on the phone with her friend for 16 minutes. What time did they start talking on the phone?
12:08 PM
Parker gave Brynne 187 stickers. He has 863 stickers now. How many stickers did he have before he gave the stickers to Brynne?
1,050 stickers
Two third grade classes went to a play. They were seated in 7 rows, with 6 students in each row. They had four teachers with them. How many third grade students attended the play?
42 students
Jenny says that she is inviting about 20 people to her birthday party, rounded to the nearest ten. What is the greatest number of people she can invite and have this statement be true?
24 people
Tony wants to put a border around the bulletin board in his classroom. The bulletin board is 5 feet long and 4 feet high. How many feet of border will he need?
18 feet
If a rectangle's length is given in yards, what will be the units for its perimeter?
yards
Brynne has 718 cards in her collection. She gives Sahana 164 cards. How many cards does Brynne have left?
554 cards
Tyler had 21 stuffed unicorns and 15 stuffed dragons. He arranged all of his stuffed animals into 9 groups, with an equal number of stuffed animals in each group. How many stuffed animals were in each group?
4 animals
Write in standard form:
(4 ⨉ 100) + (3 ⨉ 10) + (7 ⨉ 1)
437
Tony is buying fabric to cover a bulletin board in his classroom. The board is 5 feet long and 4 feet high. He will staple 12 pictures to the board after he covers it in fabric. How many square feet of fabric does he need to buy to cover the board?
20 feet2
If a rectangle's area is given in square inches, what will be the units for length and width?
inches