Reduce, Reuse, Add & Subtract
A class planted 6 flowers and then 3 more. How many flowers are there in total?
9 flowers
A recycling bin has 10 bottles. 4 more are added. How many bottles now?
14 bottles
Each student plants 4 trees. There are 6 students. How many trees total?
24 trees
A tree had 12 birds. 5 flew away. How many remain?
7 birds
A class cleaned 1/2 of a park and then 1/4 more. How much of the park was cleaned?
3/4
Students picked up 7 pieces of trash and then 2 more. How many pieces did they collect?
9 pieces of trash
A tree grew 35 cm last year and 20 cm this year. How much total growth?
55 cm
A garden has 5 rows with 6 plants in each row. How many plants total?
30 plants
A recycling center has 24 bottles split into 6 bins. How many bottles per bin?
4 bottles per bin
A class cleaned 3/4 of a park and 1/4 more. How much of the park was cleaned?
1 whole
Students collected 24 pieces of trash and another group collected 17. How many total pieces of trash were collected?
41 pieces of trash
A student walked 1.5 miles and then 2.3 miles. How many total miles did the student walk?
3.8 miles
A garden has 8 rows with 5 plants in each row. How many plants total?
40 plants
36 bottles are split into 4 bins. How many per bin?
9 bottles per bin
A garden used 1/2 bag of soil and then 1/4 more. How much soil was used in the garden?
3/4
Students collected 312 bottles and then 148 more. How many bottles were collected in total?
460 bottles
A water bottle holds 0.75 liters. A student drinks 4 bottles. How many total liters did the student drink?
3 liters
A forest grows 128 trees each year. How many trees in 3 years?
384 trees
81 bottles are packed into boxes of 9. How many boxes?
9 boxes
45 pounds of paper and 30 pounds of plastic were recycled. What is the ratio of paper to plastic?
45:30 → 3:2
Students collected 18 bags of trash in the morning and 27 in the afternoon. How many bags total?
45 bags
A faucet drips 6 gallons per hour. How many gallons in 8 hours?
48 gallons
A school planted 48 trees in rows of 6. Next year they double the rows. How many trees will they plant next year?
96 trees
864 bottles are packed into boxes of 12. How many boxes?
72 boxes
A recycling center pays $0.05 per can. Write an expression for c cans.
$0.05 × c = 0.05c