Module 1 Jeopardy

Doubles Fact

100

Create a Double Fact to solve 

4+3

3+ 3 = 6 +1 = 7

OR

4+4 = 8 - 1 = 7

200

Create a Doubles Fact to solve

6+5 

5+5 = 10 +1 = 11

OR

6+6 = 12 - 1 = 11 

300

Use the doubles fact strategy to solve

9+8

8 + 8 = 16 +1 = 17

OR

9+9 = 18 - 1 = 17 

400

Write one addition fact and use the doubles fact strategy to solve.

Answers will vary

500

Write two addition facts and use the doubles fact strategy to solve.

Answers will vary

Related Facts

100

Make a related fact (commutative property) and solve

9+8

8+9 = 17

200

Solve 

9+0

9

300

Make a related fact (commutative property) and solve

7+4

4+7 = 11

400

Create a related subtraction fact out of this addition fact.

5+7 = 12 

12 - 7 = 5

or 

12-5=7 

500

Kane counts 7 grasshoppers in the backyard and some grasshoppers in the front yard. There are 11 grasshoppers in all. How many grasshoppers are in the front yard. 

Write an addition fact. Complete the bar model. Write a related subtraction fact. Solve

7 + 4 = 11

11 - 7 = 4 

or

11 = 7+4

11 - 7 = 4     4 grasshoppers 

What Strategy?

100

What math strategy did Billy use to solve this problem:

6+7 

6+6 = 12

12 + 1 = 13

Doubles Fact

OR 

D.O

200

What math strategy did Sally use to check to see if her answer was correct?

8 + 4 = 12

12 - 8 = 4

a. related subtraction fact

b. related addition fact

300

Which math strategy did Bobby use to solve the problem:

6+7

7, (8, 9, 10, 11, 12 13)

 = 13

Count On 

or 

C.O

400

Which math strategy did Hunter use to solve the problem:

9 + 8 = 

10 + 7 = 17 

Make 10 strategy 

500

What strategy did Jasper use to solve the problem

15 - 7

10 - 2 = 8 

Make 10 strategy 

Solve and Name the Strategy

100

Solve 

8+9 = 

name the strategy that you use.

(examples count on, make 10, doubles fact) Or will use a whole different strategy?

Answers will vary

17

200

Solve 

6 + 9 = 

name the strategy that you use.

(examples count on, make 10, doubles fact) Or will use a whole different strategy?

Answers will vary

15

300

Solve 

15 - 8 = 

name the strategy that you use.

(examples count on, make 10, doubles fact) Or will use a whole different strategy?

Answers will vary 

7

400

Solve 

24 - 6 = 

name the strategy that you use.

(examples count on, make 10, doubles fact) Or will use a whole different strategy?

Answers will vary 

18

500

Solve 

24 + 8

name the strategy that you use.

(examples count on, make 10, doubles fact) Or will use a whole different strategy?

32

Vocabulary

100

The two numbers you add together are called ______

6 + 7 = 13 

addends 

200

When the addends are the same it is a ________

4+4 = 16

Doubles Fact

300

The answer to an addition problem is called the _______

5 + 4 = 9

Sum

400

The answer to a subtraction problem is called the _________

7 - 3 = 4

difference

500

When you take an addition fact to create a subtraction fact it is called a ____________

4 + 3 = 7

7 - 4 = 3

related fact