Secret #1
Break apart to solve the problem.
43-8=____
43-8=35
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3 5
A boat can hold 55 people. The boat has space for 37 more people. How many people are on the boat now? Write a number sentence and solve.
- 35
______
29
David has 34 animal pictures. Kim has 52 animal pictures. Who has more animal pictures? How many more? Label the bar model. Solve.
47
31 18
Subtract 28 from 45. Draw to show the regrouping.Write all the ways to find the difference.
Ex:
16
1 ten 6 ones
17
1 ten 7 ones
A store sells 44 ties. 9 ties are blue. The rest of the ties are white. How many white shirts does the store sell?
35
Do you need to regroup to subtract? Write Yes or No.
86-34
22-15
66-46
40-27
86-34 No
22-15 Yes
66-46 No
40-27 Yes
Ken's book has 74 pages. Ken reads 17 pages in the morning. He reads 28 more pages that night. How many pages does Ken need to read to finish the book?
1 Bar Model (part+part)
17+28=45
2 Bar Model (whole-part)
74-45=29