Investigation 4 Jeopardy

Strategies & Tools

100

I had to solve 10+10. I used this tool to help me. It is a big square with 100 numbers.

100 chart

200

I needed to add 21 plus 11. I made a line and started at 21, then added 10, then 1. 

Numberline

300

For the equation 6+3+5+4, I first added 6+4 then added 3+5. 

Combos to 10s.

400

7+6. To solve this, I made 2 rectangles with 10 squares in each. 

Tens frame

Unknown Subtraction

100

There are 8 oranges. Someone eats 7. How many oranges are left?

8-7=1

200

There are 23 different flavors on the menu. 13 are taken off. How many are left on the menu?

23-13=10

300

A store has 25 shirts. They sold 14. How many shirts does the store have left?

25-14=11

400

46 people were in a race. 22 were adults and the rest were kids. How many kids were in the race?

46-22=24

Unknown Addition

100

There are 18 pencils in the jar. A student adds 5 more. Give me the equation.

18+5=23

200

There are 12 blue cubes. 19 red ones are added. How many are there?

12+19=31

300

40 people are in the first grade. 27 are in second grade. How many are in first and second grade?

40+27=67

400

43 people are waiting in line for the fair. 16 more join the line. How many people are waiting in line for the fair?

43+16=59

TAKE A RISK

100

I have 3 dimes, 1 nickel and 2 pennies. How much do I have?

37 cents 

200

I have 5 groups of 5. How much do I have total?

Hint: Count by 5s

25

300

I have 8 groups of 2. How much do I have?

Hint: Count by 2s

16

400

THIS IS A FREE 400 POINTS

HOORAY