In my fact triangle, 30 is the largest number. My other factor is 10. What is the missing number?
3
100
6 x 5 = ?
30
100
60 / 10 = ?
6
100
Round 234 to the nearest 100.
200
100
What strategy would you use to solve this problem:
"Find the difference between 86 and 34."
Subtraction OR Number Grid
200
I know that my two smallest numbers are 5 and 6. What would my largest number be in this fact family?
30
200
Draw an array to solve 4 x 6 = ?
24
200
I have 20 cookies. I want to share them with 4 friends and myself. How many cookies would each person get?
4
200
Round 155 to the nearest 10.
160
200
What strategy would you use to solve this problem?:
"5 x 2 = ?"
Count by 5s (5, 10)
Count by 2s (2, 4, 6, 8, 10)
Double it! (5 + 5 = 10)
Draw an array (5 rows of 2)
Repeated addition (5 + 5 = 10)
Make equal groups (5 groups of 2 = 10)
300
In my fact triangle, I know my 2 smallest factors are 9 and 5. What is my product?
45
300
9 x 9 = ?
81
300
I had 36 marbles. I split them into 6 groups. How many are in each group?
6 marbles
300
Round 240 to the nearest 100.
200
300
What strategy would you use to solve this problem?:
"I took a nap at 10:00am. I woke up at 2:24pm. How long was I asleep?"
Draw an open number line and count your hours and minute jumps
400
I have 30 buttons. I want to split them in 5 groups. How many are in each group?
Fact Family: (30, 5, ?)
6
400
There are 4 rows of chairs. There are 5 chairs in each row. How many chairs are there?
20 chairs
400
We have 50 puppies. We are splitting them into 5 groups. How many puppies would go in each group?
10 puppies
400
Round 149 to the nearest 10.
150
400
What strategy would you use to solve this problem?:
I have 40 marbles in my room. I want to split them into 5 groups. How many will be in each group?
Division
Draw a picture
Use marbles and split into groups
500
I have 9 and 5 for my two bottom numbers in my fact triangle. What is my largest number going to be?
45
500
We have 12 packs of crayons and there are 12 crayons in each pack. How many crayons do I have in all?
144 crayons
500
In the chicken coop there were 10 chickens. They had 5 nests. How many chickens go to each nest?
2 chickens
500
Round 1,000,049 to the nearest million.
1,000,000
500
What strategy would you use to solve this problem?:
Round 326 to the nearest 10.
1, 2, 3, 4 Bump it down to the floor
5, 6, 7, 8, 9 Bump it up one more time
Draw a number line. Start at 320 and end at 330. Mark 326 and circle the closer 10