Decomposing Fractions
Adding Fractions
Subtracting Fractions
Angles/Symmetry
100
Decompose 4/5 into unit fractions.
1/5 + 1/5 + 1/5 + 1/5 = 4/5
100
4/8 + 3/8 =
7/8
100
11/13 - 7/13 =
4/13
100
Draw an acute, right, obtuse, straight, and reflex angle. Make sure to label the spread.
Answers will vary.
200
Decompose 7/9
1/9 + 6/9 = 7/9 ; 4/9 + 3/9 = 7/9 ; 3/9 + 3/9 + 1/9 = 7/9
200
1 3/5 + 3/5 =
2 1/5 or 11/5
200
4 and 3/5 - 2 and 1/5 =
2 and 2/5
200
See Picture 1
Angle Type: Acute ; Estimate Measure: 45 degrees
300
Decompose 10/8 into unit fractions.
1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8 +1/8 + 1/8 = 10/8
300
4 7/10 + 8 3/10 =
13
300
7 and 4/9 - 3 6/9 =
34/9 or 3 and 7/9
300
Picture 2 ; Draw the line of symmetry
Answers will vary
400
Decompose 1 and 4/7.
7/7 + 4/7 = 1 and 4/7 ; 5/7 + 6/7 = 11/7
400
Emily ate 3/7 of a pie. AiVy ate 2/7 of the same pie. How much did they eat in all?
5/7 of the pie
400
Miss L had 7/10 of a pizza. She ate 4/10 of the pizza. How much pizza is left?
3/10
400
Picture 3
Angle Type: Reflex ; Estimate Measure: 225 degrees
500
Decompose 1 and 9/12 in two ways.
11/12 + 10/12 = 1 and 9/12 ; 12/12 + 6/12 + 3/12 = 1 and 9/12
500
Declan and Jake were racing. Declan ran 2 and 4/7 miles. Jake ran 2 and 5/7 miles. How far did they run in all.
5 and 2/7 miles
500
Mia drew a line that was 6 and 2/8 inches long. She then erased 2 and 4/8 inches. How long is the line now?
30/8 or 3 and 6/8
500
Draw the line of symmetry
Answers will vary.
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