Addition/Subtraction Extended Facts
4 + 9 = ?
40 + 90 = ?
400 + 900 = ?
13
130
1,300
Find the missing rule:
5 ---> 9
13 ---> 17
26 ---> 30
+4
Make an array for the math fact 3 x 2
X X X
X X X
Ms. Stiffler bought 30 cupcakes for her class of 17 students. How many cupcakes will she have leftover?
BONUS 100 POINTS: How many more cupcakes does she need to give each student 2 cupcakes?
13 cupcakes leftover
Layla buys 2 boxes of gushers with 8 packs in each box. How many packs of gushers does she have in all?
BONUS 100 POINTS: If she gives away 4 packs, how many does she have left?
16 total packages of gushers
13 - 7 = ?
130 - 70 = ?
1300 - 700 = ?
6
60
600
What are the missing numbers for the rule -3 ?
7 ---> 4
16 ---> __
__ ---> 23
13
26
What math fact describes this array? How many in all?
X X X X
X X X X
X X X X
X X X X
X X X X
5 x 4 = 20
Matt and Javier were collecting toy cars. Matt has 29 toy cars, and Javier has 21 toy cars. How many do they have in all?
BONUS 100 POINTS: How many more cars does Javier need to have as many cars as Matt?
50 toy cars in all
Austin and Ishmael played basketball over the weekend. Each basket scored is worth 2 points. Austin scored 6 baskets and Ishmael scored 4 baskets. How many more points did Austin score?
4 more points
6 + 7 = ?
16 + 7 = ?
26 + 7 = ?
13
23
33
What are the missing number for the rule x2?
3 ---> 6
6 ---> __
10 ---> __
12
20
Use the number story to make an array and solve:
Quentin had 3 boxes of Pokemon cards with 10 cards in each box. How many cards did he have in all?
X X X X X X X X X X
X X X X X X X X X X
X X X X X X X X X X
30 in all
Zach swam for 46 minutes over the weekend. He swam for 20 minutes on Saturday. How many minutes did he swim on Sunday?
26 minutes on Sunday
There are 6 stickers in each pack.
How many stickers are there in 5 packs?
What number model matches the number story?
A. 6 + 5 = ? B. 6 x 5 = ?
30 stickers total; B
6 + ___ = 14
60 + ___ = 140
600 + ___ = 1,400
8
80
800
What is the rule?
5 ---> 15
25 ---> 35
18 ---> 28
+10
Use the number story to make an array and solve:
Sarah is setting up a presentation to share a project about snakes. She has 6 rows of chairs with 5 chairs in each row. How many chairs does she have in all?
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
30 in all
Kora has 51 mini erasers. Brielle has 39. How many more does Kora have?
Share 25 chicken nuggets among 5 friends. How many does each friend get?
5 nuggets each
19 - 12 = ?
29 - 12 = ?
39 - 12 = ?
7
17
27
What is the rule?
3 ---> 6
6 ---> 12
12 ---> 24
Make an array for the math fact and solve:
7 x 3
X X X X X X X
X X X X X X X
X X X X X X X
= 21 in all
Mrs. O decided to give out fancy pencils to the class for fun. She has 4 packs of 5 pencils. If there are 17 students in the class, will she have enough pencils? If there are any leftover, how many are leftover?
Yes, 4 x 5 = 20
20 - 17 = 3 leftover
5 pieces each