Subtraction
What's 32 - 12
20
What is 14 + 15
29
What place value do we always start with for addition?
The ones
True or false
176 rounded to the nearest ten is 170
False
What is 42-13
29
What is 42 + 25
67
What place value do we always start with for subtraction?
the ones
True or False
176 rounded to the nearest hundred is 200
True
What is 534 - 221
313
What is 333 + 222
555
There are seats for 500 students in the auditorium. There are 187 students from Clare’s school and 229 students from Noah’s school at the performance?
Noah estimates that there will be about 100 empty seats? Do you agree with Noah?
Yes
True or false
849 rounded to the nearest hundred is 800?
True
What is 568- 347
221
What is 256 + 123
379
There are 98 colored pencils in a bag? There are 5 students who each take
7 pencils from the bag? The number of pencils left in the bag is p?
Which equation represents the situation?
A) 98 − 7 = p
B) 98 + (5 × 7) = p
C) 7 × p = 98 − 5
D) p = 98 − (5 × 7)
B
True or False
849 rounded to the nearest hundred is 900?
False
313
What is 389 + 415
804
There are seats for 500 students in the auditorium There are 187 students from Clare’s school and 229 students from Noah’s school at the performance.
How many empty seats will there be?
84
True or False
35 rounded to the nearest hundred is 0
True