Abby has 6 pieces of pie, Mary gives her 4 more pieces. What strategy would you use to solve the problem?
What is addition
200
5 x 1
What is 5
200
2 x 3
What is 6
200
5 x 6
What is 30
200
42+ 23
What is 65
200
John scored 32 goals in a game. His friend Eli scored 25. what strategy would you use to figure out how many goals they scored together?
What is addition
300
3 x 1
What is 3
300
2 x 7
What is 14
300
5 x 9
What is 45
300
80 + 21
What is 101
300
Mark has 100 jellybeans. He gives away 80 of the jelly beans. What strategy would you use to figure out how many jellybeans he has left?
What is subtraction
400
9 x 1
What is 9
400
2 x 2=
What is 4
400
5 x 8
What is 40
400
51 + 68
What is 119
400
If John arranges the chairs in 6 rows with 10 chairs in each row. What strategy would we use to figure out how many chairs.
What is multiplication
500
10 x 1
What is 10
500
2 x 10
What is 20
500
5 x 10
What is 50
500
102 + 83
What is 185
500
If Jack has 80 pieces of gum and he gives his 20 classmates 2 pieces of gum each. What strategies would you use to figure out how many pieces of gum he has left?