What is the word for "plus?"
Addition
6712 + 2639 = ____
9351
9847 - 6737 = ____
3110
Leia has 5025 funny hats. She sold 3081 hats at the festival. How many hats does she have left?
1944 hats
100 - 51 = ____
49
What is the word for "minus?"
Subtraction
Find the sum of 4116 and 3045.
7161
Find the difference of 6712 and 2639
4073
The difference between two numbers is 1788.
If the smaller number is 581, what is the sum of the two numbers?
2369
65 - 25 = ___
40
What is the sum?
Answer to an addition equation
David has 1200 points on Class Dojo.
Cherry has 201 more points than David.
How many points do they have altogether?
2601 points
Chloe has 1992 stamps in her collection.
Nora has 1229 stamps in her collection.
How many more stamps does Chloe have?
763 stamps
The Kyle Hotel has 3766 rooms.
It has 54 more rooms than Hotel Juniper.
How many rooms does Hotel Juniper have?
3712 rooms
67 + 110 = ____
177
What is the difference?
Answer to a subtraction question
John has 1024 Lego's. Jane has 895 Lego's. Peter has the most, 2345 Lego's.
How many Lego's do they have altogether?
4264 Lego's
2 0 0 1
9 1 0 8
-_______
???
This cannot be done this way.
+50 points if you can tell me why.+100 points if you can fix it and solve it.
At the Mid Autumn Festival celebration, there were 510 students, 767 parents and 86 teachers.
How many more adults than children were there at the school fair?
343 adults
77 - 39 = ____
38
What kind of math is it when we use only our brain to solve it?
Mental Math
2 ? 5 ?
1 0 ? 5
+_______
? 1 8 6
2 1 5 1
1 0 3 5
+_______
3 1 8 6
3 ? 1 1
1 0 8 ?
-_______
? 1 ? 6
3 2 1 1
1 0 8 9
-_______
2 1 2 2
Anthony has 1357 marbles.
After giving Chad 779 buttons, Anthony still had 82 more marbles than Chad had at first.
How many marbles did Chad have at first?
496 marbles
2030 + 1153
3183