Vocabulary
This means to join numbers together.
addition
Eric has 2 pencils and Caden gives him 3 more. How many pencils does he have all together?
5 Pencils
4-1=
3
This means to take away numbers in a problem.
subtraction
If I have 8 counters in my hand and put 6 in a box, how many do I have left in my hand.
2 counters
10-5=
5
What are the place values in a two digit number?
Tens and ones
Sydney has 9 flowers. Janiyah has some others. together they have 12 flowers. How many flowers does Janiyah have?
3 flowers
4+3=
7
What is the answer of a addition called?
Sum
65+10=
75
Jayden has 7 toy cars. Alex has 8 toy planes. How many toys do they have in all?
15 toys
18-7=
11
What does it mean to break down a number
decompose
40+20=
60
Elijah has 12 balloons. 6 are green the rest are red. How many red balloons does he have?
6 Red balloons
37-22=
15