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Maths · Grade 4 · Set C
Past one whole
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C
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Goal: 15 min
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Remember: Pieces of the same size add by the tops, and the bottom stays. When the tops pass the bottom, the sum is more than one whole.

Two and three pieces

1
4/10 + 6/10 = (write it as a fraction or as a whole number)
2
Which bar shows 7/8 − 3/8?
A
B
C
3
The tape has three pieces. What is 2/9 + 3/9 + 1/9?
4
5/6 + 4/6 is more than one whole. What is the sum?
9/121/69/6
5
Look at the bar. Which one does NOT make 5/8?
2/8 + 3/81/8 + 1/8 + 1/8 + 1/84/8 + 1/8

Take away and think

6
Pip drinks 3/10 of a bottle and then 4/10 of it. How much of the bottle is left?
7
Zoe has 1 2/5 cups of milk and pours in 1 1/5 cups more. How much milk does she have now?
2 3/102 3/53/5
8
4/9 + 6/9 = 1 1/9
TrueFalse
9
A pan of cornbread is cut into 8 equal pieces and the shaded pieces are eaten. What fraction of the pan is left?
10
Fill the box: 6/8 = 2/8 + + 1/8
11
Join each problem to its answer.
  1. 13/7 + 5/7
  2. 24/7 + 5/7
  3. 39/7 − 4/7
  4. 48/7 − 6/7
  • A8/7
  • B9/7
  • C5/7
  • D2/7
12
Put the answers in order from least to greatest.
  • 1 − 4/9
  • 2/9 + 2/9
  • 3/9 + 3/9
  • 11/9 − 3/9
13
Write how you know 7/8 + 5/8 is more than one whole.
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Answer key · Set C
Past one whole
110/10 4 tenths and 6 tenths make 10 tenths, and 10 tenths is one whole.
2B 7 eighths take away 3 eighths leaves 4 eighths. Bar B has 4 of 8 parts shaded.
36/9 Add the tops: 2 + 3 + 1 = 6. The pieces are ninths, so the answer is 6/9 (which is also 2/3).
49/6 5 sixths and 4 sixths make 9 sixths. The pieces stay sixths, so the bottom stays 6. 9/6 is more than one whole.
51/8 + 1/8 + 1/8 + 1/8 Four 1/8 pieces make 4/8. The other two sums both make 5/8.
63/10 3 tenths and 4 tenths are 7 tenths gone. The whole bottle is 10 tenths, and 10 − 7 = 3, so 3/10 is left.
72 3/5 Add the wholes: 1 + 1 = 2. Add the fifths: 2 fifths + 1 fifth = 3 fifths. So 2 3/5. The fifths stay fifths.
8True 4 ninths and 6 ninths make 10 ninths. 9 ninths is one whole, with 1 ninth left over, so 1 1/9.
95/8 The whole pan is 8/8. 8/8 − 3/8 = 5/8.
103/8 2/8 + 1/8 = 3/8, and 6/8 − 3/8 = 3/8.
111-A, 2-B, 3-C, 4-D
122, 1, 3, 4 2/9 + 2/9 = 4/9, 1 − 4/9 = 5/9, 3/9 + 3/9 = 6/9 and 11/9 − 3/9 = 8/9.
13Your own words: a grown-up reads it.
Mark each answer, count the right ones and write the score on the sheet.