True/False
True
3.14 + 5.12 =
What is 8.26?
20.8 - 7.34=
What is 13.46?
Jordyn was measuring how much taller he got over two years. In the first year he grew 4.62 cm. In the second year he grew 7.7 cm. How much taller did he grow altogether?
12.32 cm
What does "about how much" mean?
When adding and subtracting decimals, you always put the longer number on top.
False
14.73+15.1=
34.63 - 27.9=
What is 6.73?
Bonnie was buying food for her birthday party, She bought a 52.93 oz bag of Taki´s and a 79.6 oz bag of cheetos. How many ounces did she buy all together?
132.53 ounces
When you see "how many more" in a word problem, what operation should you do?
subtract or subtraction
When adding and subtracting decimals, you ignore the decimal points.
False
3 + 4.55=
What is 7.55?
150- 0.48=
What is 149.52?
During a science experiment, Zayne found the mass of two rocks to be 41.4 grams and 74.3 grams. What is the total mass of these two rocks?
115.7 grams
When you see "equal groups" in a word problem, what operation should you do"
division
When adding and subtracting decimals you put the bigger number on top.
True
17.82 + 3.66=
What is 21.48?
6 - 2.33=
What is 3.67?
237 fifth graders and 346 fourth graders went on a field trip. How many more fourth graders were on the field trip than fifth graders?
109 more
When you see¨All together" in a word problem, what math operation should you do?
add or addition
When adding and subtracting decimals, you count how many numbers are behind the decimals in the problem and put that in your answer.
False!
11.7 + 2.81=
What is 14.51?
1124.09 - 567.87=
What is 556.22?
A veterinarian was measuring how tall the puppy grew. After two months the puppy grew 15.25 inches. The first month alone the puppy grew 5.45 inches. How much did it grow in the first month?
9.8 inches
When you see "each person before the question" in a word problem, what operation should you do?
multiply