Addition and Subtraction
WALT:
- Apply basic addition or subtraction facts to solve a problem.
Success Criteria:
- We will use different strategies to solve the problem
- Blog how you solved ONE problem
Problems:
1. Students around Auckland are at home doing their home learning. There are 42 students
altogether, but only 17 students are doing their learning. How many students are not doing their
home learning at home? 42-7=35 35-10=25.
altogether, but only 17 students are doing their learning. How many students are not doing their
home learning at home? 42-7=35 35-10=25.
2. Students around Auckland are at home doing their home learning. There are 68 students altogether, but only 17 students are doing their learning. How many students are not doing their home learning at home?=51 60-10=50 8-7=1 50+1=51
3. Students around Auckland are at home doing their home learning. There are 92 students altogether, but only 17 students are doing their learning. How many students are not doing their home learning at home?=75 92-10=80 82-7=75
4. Students around Auckland are at home doing their home learning. There are 105 students altogether, but only 17 students are doing their learning. How many students are not doing their home learning at home?88 105-17=88 90-10=80 15-7=8 80+8=88