Teacher NotesFor each problem:Display the 1st slide which
contains the problem.Have the students place counters on their
desks to match the number of graphics the same number of graphics
they see on the screen.Have them add or subtract by adding or
removing countersClick to the next slide to see the problem in
action and the matching number sentence.You may want students to
write the number sentence.Click again to see the answer to the
problem. 3Sam is a bus driver. He drove 4 miles on Monday and 3
miles on Tuesday How far did Sam drive altogether?
4 + 3 = ___
7
There are 8 planes at the airport. Six planes fly away. How many
planes are left at the airport?
8 6 = ___
2
Jenny has 5 toy cars. Jay gives her 4 for her birthday. How many
cars does she have now?
5 + 4 = ___
9
The car dealer had 7 cars. He sold 4 cars. How many cars does he
have left?
7 - 4 = ___
3
The airport had 8 airplanes. Two more airplanes landed. How many
are there now?
