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Rounding to the nearest 10
Rounding to the nearest 100
Addition and Subtraction
Multiplication and Division
Fractions
100
11
10
100
99
100
100
17 + 21
38
100
5 * 5
25
100
See paper.
1 / 5
200
56
60
200
150
200
200
48 - 24
24
200
32 / 8
4
200
See paper
5/8
300
72
70
300
684
700
300
39 + 45
84
300
20 * 7
140
300
Danna and I bought a pizza. The pizza was cut into four slices. We ate two slices. What fraction of the pizza did we eat?
2/4
400
321
320
400
329
300
400
56 - 37
19
400
50 / 10
5
400
If I have 10 pencils and I give 6 of them to David. What fraction of my pencils do I have left?
4/10
500
952
950
500
24, 567
24,600
500
Evalynn has 46 pencils. She gave some away. Now, she has 21 pencils left. How many pencils did she give away?
25 pencils
500
I bought 8 bags of apples. Each bag had 4 apples in it. How many apples did I buy?
32 apples
500
Jimmy and Christian decide to share a pizza for lunch. Jimmy eats 1/2 of the pizza. Christian eats 1/4 of the pizza. Who ate more of the pizza? How do you know?
Jimmy