Story Problems
In the game Among us, there were a total of 6 kids playing. 2 of them were the imposters. The rest were crewmates. How many were crewmates?
6-2=4
4+2=6
What are the addition sentences that go with
5-3=_ ?
3+2=5
2+3=5
10-5=5
What are the addition sentences for this subtraction sentence?
4-2=
2+2=4
What strategy am I using if I put a number in my fist and use my fingers?
Counting on or shake-up
In the game Among Us, there were 3 imposters. The rest were crewmates. There were a total of 7 people playing. How many were crewmates?
7-3=4
3+4=7
In order to solve this problem:
_-2=8
I just have to make it into an addition problem and solve.
2+8=_
Am I correct? Explain your thinking.
Yes, 2 and 8 are parts. If added together they equal 10 which is the beginning of our subtraction sentence.
What is 7-3=_?
7-3=4
What are the addition sentences for this subtraction sentence?
8-2=
2+6=8
6+2=8
What tool am I using if I make hops from number to number?
Number line
Mrs. Hampton's class received a snack. There were 10 kids. 3 of them received fruit snacks. The rest received cookies. How many received cookies?
10-3=7
In order to find the solution to this problem:
7-4=3
we just have to add like this.
7+4=3
Is this correct? Why or why not?
No, You have to move the whole number to the end.
4+3=7
What is 9-5=_?
9-5=4
What are the subtraction sentences to this addition sentence?
1+8=
9-8=1
9-1=8
What tool am I using if I see a number and then count dots?
5-group cards
We had a Thanksgiving feast! 5 people were at the feast. Some more arrived. Now there are 9 people at the feast. How many arrived? Explain your thinking using a number bond, number sentence, or picture.
9-_=5 or 9-5=_
5+_=9
Answer is 4
Jim says that 7-2=5. Susie says if that is so than 7+2=5. Who is correct and explain why?
Jim 7-2=5 because 7+2=9.
What is _-5=3? Make a number bond to solve the problem.
8-5=3
What are the addition sentences for this subtraction sentence?
9-2=
2+7=9
7+2=9
What tool am I using if I have things in play and out of play?
Rekenrek
8 people went to the lake. 3 of them were adults. The rest were kids. How many were kids? Show your thinking using a number bond, number sentence, or picture.
8-3=_ or _+3=8
Answer is 5.
What is the other subtraction number sentence and addition number sentences for this problem? Solve and show other number sentences.
10-3=
10-3=7
10-7=3
3+7=10
7+3=10
What is 10-_=4? Make a number bond to solve the problem.
10-6=4
What are the subtraction sentences to this addition sentence?
4+6=
10-6=4
10-4=6
What does RDW stand for?
Read
Draw
Write