Basic addition and subtraction
4 + 3
4 + 3 = 7
How many tens and how many ones in the number 36?
3 tens and 6 ones
Do you need to add or subtract in this word problem?
There are 10 students in Nitzanim and 13 students in Shorashim. How many students are there in all?
(You don't need to solve)
Add! (23 students in all)
51 + 24
51 + 24 = 75
3 + 5
3 + 5 = 8
What is 50 + 9 in standard form?
50 + 9 = 59
Should I add or subtract?
Morah Susie had 42 stickers. She used 18 of them. How many stickers does she have left?
(You don't need to solve)
Subtract (24 stickers left)
72 - 42
72 - 42 = 30
10 - 2
10 - 2 = 8
Draw a picture to show 94 using tallies and dice patterns
Show Morah Emma
Solve this one...
Julia saw 14 penguins at the zoo. 7 walked away. How many penguins are left?
7 penguins are left.
25 + 25
25 + 25 = 50
7 + 7
7 + 7 = 14
Use the symbol < > = to compare
53 65
53 < 65
Solve this one...
Jon scored 26 points during his first basketball game.
He 31 points during his second basketball game.
How many points did he score in all?
Jon scored 57 points in all.
25 + 36
25 + 36 = 61
7 + 8 (think about 7 + 7)
7 + 8 = 15
43 in expanded form
40 + 3
Morah Emma made 64 cupcakes.
She gave 25 away.
How many cupcake does she have left?
Morah Emma has 39 cupcakes left.
73 - 26
73 - 26 = 47