Decide if you will need to use addition or subtraction to solve the problem.
A bicycle weighs 14.5 kg. Another bicycle weighs 18.4 kg. How much less does the first bicycle weigh than the second bicycle?
Subtraction
Additions
Decide if you will need to use addition or subtraction to solve the problem. A bicycle weighs 14.5 kg. Another bicycle weighs 18.4 kg. How much do the bicycles weigh altogether?
Addition
Decide if you will need to use addition or subtraction to solve the problem. Rachel rode her bicycle on a track that was 5.6 km long. David rode his bicycle on a track that was 3.7 km longer than the track that Rachel rode her bicycle on. How long was the track that David rode his bicycle on?
Decide if you will need to use addition or subtraction to solve the problem. Rachel rode her bicycle on a track that was 10.7 km long. David rode his bicycle on a track that was 6.4 km long. How much longer was Rachel’s bike ride than David’s bike ride?
Decide if you will need to use addition or subtraction to solve the problem. On Monday there were 18 children in class. On Tuesday there was an increase of 7 students. How many students were in class on Tuesday?
Decide if you will need to use addition or subtraction to solve the problem. On Wednesday there were 35 children in class. This was 14 fewer than on Thursday. How many children were in class on Thursday?
Decide if you will need to use addition or subtraction to solve the problem. Sarah has taken 2 math tests. The difference in her scores was 28 marks. Her lowest score was 61. What was her other test score?
Decide if you will need to use addition or subtraction to solve the problem. The class needs to collect 125 cans to win a prize. So far they have collected 58 cans. How many more cans does the class need to collect to win a prize?
Decide if you will need to use addition or subtraction to solve the problem. Yesterday the temperature was 41°C. Today, the temperature has decreased by 8°C. What is the temperature today?
Decide if you will need to use addition or subtraction to solve the problem. Mr. Rogers class has 25 students. His class was combined with Mr. Henry’s class and now there are 43 students. How many students are in Mr. Henry’s class?
