Word Problems
X/÷
Strategies
Invented Algorithms
Tools
100
Christie has 5 marbles. Tammy gave her 4 more marbles. How many marbles does Christie have in all ?
What is JRU Join Result Unknown?
100
How much would 8 bags of candy cost if each bag costs $2.50?
What is multiplication - price problem?
100
8 toy cars/5 more cars Rene makes a set of 8 cubes and a set of 5 cubes. She pushes them together and counts them, 1,2,3,4,5,6,7,8, 9,10, 11,12,13. She then responds, "There are 13 cars."
What is Direct Modeling - Joining All?
100
5 boxes of doughnuts / 10 doughnuts in each box/ 3 additional doughnuts 5 x 10 + 3 = 53
What is a groups of 10 and using place value tens /ones?
100
JRU SRU SCU SSU CDU etc.
What are problem types?
200
Jill had some marbles. She gave 8 to Heather. Now she has 13 marbles left. How many marbles did Jill have to start with?
What is Separate Start Unknown SSU?
200
JoAnne has 7 party bags to put the same amount of candy in each one. She has a total of 42 pieces of candy. How many pieces of candy goes in each bag?
What is partitive division?
200
4 toy cars/7 toy cars Molly counts 8, 9, 10, 11 - 11 toy cars.
What is counting on from larger?
200
123 - 45 20 - 40 = -20 3 - 5 = -2 100 - 20 = 80 80 - 2 = 78
What is tens and ones with negative numbers?
200
direct modeling counting tens and ones
What are strategies?
300
Meg had 13 M&M's. She gave some to Jason. Now she has 5 M&M"S left. How many M&M's did Meg give to Jason?
What is SCU Separate Change Unknown?
300
Becky has 5 boxes of pencils. There are 6 pencils in each box. How many pencils does Becky have?
What is multiplication?
300
6 frogs/8 more frogs S- Helen calls out 14. T- How did you know there were 14? S - because 6 and 6 is 12, and 2 more is 14
What is using derived facts - doubling?
300
472 + 299 475 + 300 = 775 775 - 4 = 771
What is Compensating?
300
A model a student can use to show 80 - 34. Start at 34 and add 6 and then 40 34 + 6 = 40 40 + 40 + 80 46 is the answer
What is a number chart or a numberline?
400
Lisa has 13 Skittles. Five are red and the rest are green. How many green M&M's does Jaime have?
What is Part Part Whole - Part Unknown?
400
Tammy has 36 photos from her trip to Disneyland. She put 4 photos on a page in her scrapbook. How many pages does she need?
What is measurement division?
400
24 children / 6 teams Becky counts, "Let's see, 3,6,9,12,15,18 With each number Mike extended a finger. No not enough let's try 4 - 4,8,12,16,20,24 again extending a finger each time - 6 fingers up that's it 4 on each team.
What is Trail and Error?
400
345 + 827 300 + 800 = 1100 40 + 20 = 60 5 + 7 = 12 1100 + 60 + 12 = 1172
What is combining Tens and Ones?
400
4 + 5 = 3 + 6 7 - 5 = 2 + 5 - 5 6 + 7 = 7 + 3 + 2
What are true and false problems?
500
Erin has 13 M & M's. She has 5 more M&M's than Laura. How many M&M"S does Erin have?
What is Compare Referent Unknown?
500
A farmer plants a rectangular vegetable garden that measures 6 meters along one side and 8 meters along an adjacent side. How many square meters of garden did the farmer plant?
What is an Area problem?
500
Tim has 5 baseball cards/Jason has 9 baseball cards Amanda took out 5 cubes and line them up/ then she took out 9 cubes and put them right next to the 5 - one next to one for each cube. Notice 4 extra - answer is 4
What is Direct Modeling - matching?
500
234 + 86 234 + 6 = 240 240 + 60 = 300 300 + 20 = 320
What is Incrementing?
500
cubes, fingers, base ten blocks, money
What are manipulatives?
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