Common Core aligned
Grade 4 • bar-models • Medium
Challenge Problems 5
Master challenges
5 problems
1.
Max has 25 crayons. Lisa has 14 crayons. Max gives 2 to Lisa. How many crayons do they have altogether now?
Bar Model:
25
14
Equation: 25 + 14 - 2 + 2 = 39
Answer:
2.
Max has 12 stickers. Tom has 13 stickers. Max gives 3 to Tom. How many stickers do they have altogether now?
Bar Model:
12
13
Equation: 12 + 13 - 3 + 3 = 25
Answer:
3.
Max has 15 marbles. Jack has 12 marbles. Max gives 4 to Jack. How many marbles do they have altogether now?
Bar Model:
15
12
Equation: 15 + 12 - 4 + 4 = 27
Answer:
4.
Mia has 11 crayons. Amy has 14 crayons. Mia gives 4 to Amy. How many crayons do they have altogether now?
Bar Model:
11
14
Equation: 11 + 14 - 4 + 4 = 25
Answer:
5.
Mia has 22 cookies. Max has 10 cookies. Mia gives 5 to Max. How many cookies do they have altogether now?
Bar Model:
22
10
Equation: 22 + 10 - 5 + 5 = 32
Answer: