Reasonable Answers
A student says 24 × 3 = 7,200. Is this reasonable?
Answer: No. 24 × 3 is about 72.
There are 5 bags with 7 apples in each bag. Write the equation.
Answer:
5 × 7 = a
A movie theater has 6 rows with 4 seats in each row. How many seats are there?
6 × 4 = 24 seats
20 cookies are shared equally among 5 friends. How many cookies does each friend get?
20 ÷ 5 = 4 cookies
A student says 51 ÷ 5 = 500. Is this reasonable?
Answer: No. The answer should be close to 10.
A bakery made 49 cupcakes each day for 2 days. About how many cupcakes is that?
Answer: About 100 cupcakes.
36 cookies are shared equally among 6 students. Write the equation.
Answer:
36 ÷ 6 = c
A teacher gives 7 students 5 stickers each. How many stickers are given out altogether?
7 × 5 = 35 stickers
A coach has 36 soccer balls and puts them equally into 6 bins. How many balls go in each bin?
36 ÷ 6 = 6 balls
A zoo has 7 cages with 13 birds in each cage. About how many birds are there?
Answer: About 90 birds.
A class has 31 students. Each student gets 5 crayons. Is 10 crayons a reasonable answer?
Answer: No. 30 × 5 is about 150.
A teacher buys 8 packs with 9 pencils in each pack. Write the equation.
Answer:
8 × 9 = p
A toy costs $6. How much do 8 toys cost?
6 × 8 = 48 dollars
48 stickers are shared equally among 8 students. How many stickers does each student get?
48 ÷ 8 = 6 stickers
Write a equation for:
63 students are split equally into 9 teams.
63 ÷ 9 = t
A bus carries 48 students. About how many students would 4 buses carry?
Answer: About 200 students.
72 markers are split equally into 9 groups. Write the equation.
72 ÷ 9 = m
A classroom has 9 tables with 5 students at each table. How many students are there?
9 × 5 = 45 students
90 books are placed on 9 shelves equally. How many books go on each shelf?
90 ÷ 9 = 10 books
A store has 15 shelves with 11 games on each shelf. About how many games are there?
Answer: About 165 games.
A store sold 198 water bottles. Someone estimated 2,000 bottles. Is that reasonable?
Answer: No. 198 is close to 200.
A farmer plants 12 rows with 15 plants in each row. Write the equation.
12 × 15 = p
A concert has 14 rows with 12 seats in each row. How many seats are there?
14 × 12 = 168 seats
144 candies are shared equally among 12 children. How many candies does each child get?
144 ÷ 12 = 12 candies
A baker made 96 muffins and packed them equally into 8 boxes.
96 ÷ 8 = m
m = 12
200 is not reasonable because the answer is much smaller.