Write variable equations: word problems

U.6 Write variable equations: Word problems

Mia has 35 stickers. She gives 12 stickers to her friend. The letter s stands for the number of stickers Mia has left. Which equation can you use to find s?

35 + 12 = s

12 − 35 = s

35 − 12 = s

35 × 12 = s

There are 8 tables in a classroom. Each table has 4 chairs. The letter c stands for the total number of chairs. Which equation can you use to find c?

8 + 4 = c

8 − 4 = c

8 × 4 = c

8 ÷ 4 = c

There are 56 students going on a field trip. The students are divided equally among 7 groups. The letter s stands for the number of students in each group. Which equation can you use to find s?

56 + 7 = s

56 ÷ 7 = s

56 − 7 = s

56 × 7 = s

Sofia reads 18 pages on Monday and 24 pages on Tuesday. She reads 15 more pages on Wednesday. Which set of equations can be used to find p, the total number of pages Sofia reads?

18 + 24 = n; n + 15 = p

18 + 24 = n; n − 15 = p

18 × 24 = n; n + 15 = p

24 − 18 = n; n + 15 = p

A fruit stand has 18 apples in one basket and 24 apples in another basket. The letter a stands for the total number of apples. Which equation can you use to find a?

24 − 18 = a

18 + 24 = a

18 × 24 = a

24 ÷ 18 = a

Liam has 48 trading cards. He shares them equally among 6 friends. The letter c stands for the number of cards each friend gets. Which equation can you use to find c?

48 − 6 = c

48 + 6 = c

48 × 6 = c

48 ÷ 6 = c

Carlos has 52 baseball cards. He gives 17 cards to his friend. The letter c stands for the number of cards Carlos has left. Which equation can you use to find c?

52 + 17 = c

17 − 52 = c

52 − 17 = c

52 × 17 = c

A store has 8 boxes of crayons with 6 crayons in each box. The store sells 13 crayons. Which set of equations can be used to find c, the number of crayons left?

8 + 6 = n; n − 13 = c

8 × 6 = n; n + 13 = c

8 × 6 = n; n − 13 = c

13 − 6 = n; n × 8 = c

A farmer packs 9 apples in each bag. He fills 7 bags and has 5 apples left over. Which set of equations can be used to find a, the total number of apples?

9 + 7 = n; n + 5 = a

9 × 7 = n; n − 5 = a

9 × 5 = n; n + 7 = a

9 × 7 = n; n + 5 = a

A coach has 45 tennis balls. He puts the balls equally into 5 baskets. The letter t stands for the number of tennis balls in each basket. Which equation can you use to find t?

45 − 5 = t

45 + 5 = t

45 × 5 = t

45 ÷ 5 = t

Emma has 4 bags with 9 marbles in each bag. She gives 7 marbles to her brother. Which set of equations can be used to find m, the number of marbles Emma has left?

4 + 9 = t; t − 7 = m

4 × 9 = t; t − 7 = m

4 × 9 = t; t + 7 = m

9 − 7 = t; t × 4 = m

A teacher puts 6 pencils in each of 7 boxes. The letter p stands for the total number of pencils. Which equation can you use to find p?

7 + 6 = p

7 − 6 = p

7 ÷ 6 = p

7 × 6 = p

A bakery makes 5 trays of muffins. There are 8 muffins on each tray. Then the baker makes 6 more muffins. Which set of equations can be used to find m, the total number of muffins?

5 × 8 = t; t + 6 = m

5 + 8 = t; t + 6 = m

5 × 8 = t; t − 6 = m

8 × 6 = t; t + 5 = m

A library has 36 mystery books and 28 adventure books. The letter b stands for the total number of books. Which equation can you use to find b?

36 − 28 = b

36 × 28 = b

36 ÷ 28 = b

36 + 28 = b

A toy costs 65 cents and a ball costs 28 cents. Noah has 50 cents. Which set of equations can be used to find m, the number of cents Noah still needs to buy both items?

65 − 28 = t; t − 50 = m

65 + 28 = t; t − 50 = m

65 + 28 = t; t + 50 = m

65 + 50 = t; t − 28 = m

A farmer has 32 oranges. He puts the oranges equally into 4 baskets. The letter o stands for the number of oranges in each basket. Which equation can you use to find o?

32 ÷ 4 = o

32 × 4 = o

32 − 4 = o

32 + 4 = o

There are 6 rows of chairs with 8 chairs in each row. The letter c stands for the total number of chairs. Which equation can you use to find c?

6 × 8 = c

6 + 8 = c

8 − 6 = c

8 ÷ 6 = c

Your score is

The average score is 68%

✨✨ Need help? Let’s warm up!