Addition
34 + 67
101
60 - 31=
29
round by 10s: 24
20
Write an equation for identity property of addition.
0 + 1 =1
Ally made 25 cookies Monday and 56 cookies Tuesday. How many cookies did Ally make in all?
81
300 + 298
598
56-19 =
37
Round to nearest 100: 57
4 + 9
or
6 + 6
6 + 6
Bill had 34 skittles. He ate 29 skittles. How many skittles does he have left?
5
467 + 549
1016
301-281=
20
round to nearest 10s: 678
680
Which equation is communitive property of addition:
a) 5 + 4 = 4 + 5
b) 4 + 4 = 6 + 2
c) 9= 4 + 5
Sally scored 33 points for game 1 and scored 9 less points for game 2. How many point did she score for game 2?
24
534 + 657
1191
533 - 255 =
278
Round to the nearest 10s: 345
350
Which one shows associative property of addition:
a) 3 + 7 = 7 + 3
b) 21= 7 ( 7 + 7)
c) 1+(2+3) = (1+2)+3
C
Tim had 453 pieces of leggos. He used 289 pieces to build. How many pieces does he have left?
164 pieces
686
649-588=
61
Round to the nearest 100s: 899
900
What is the definition for identity property?
Any number added with "0" will equal the same number.
Kai made 45 cupcakes yesterday and 54 today. Tomorrow he will bake 24 more cupcakes. How many does did Kai bake in all?
123 cupcakes