Addition and Subtraction
22 + 14 =
36
Erin has 17 more books than Isabella.
Erin has 44 books. How many books does Isabella have?
27 books
What are FACTORS?
FACTORS are numbers that are multiplied to get a product.
3x4 =
12
What is 10 less than 125?
115
I am an EVEN number between 4 and 7.
Who am I?
6
62 + 12 =
74
Abdiel had 56 apples. How many more apples does Abdiel need to pick to have 92 apples altogether?
Abdiel needs to pick 36 more apples.
What is a PRODUCT?
The PRODUCT is the answer to multiplication problems.
7x6 =
42
What is half of 100?
50
I have hands and face. But I can’t hold anything or smile. Who am I?
A clock
85-79=
6
Aiden has some gum. Briella gave him 16 more pieces of gum and 4 chocolate bars. Now Aiden has 54 pieces of gum. How many pieces of gum did Aiden have to start with?
Aiden had 38 pieces of gum to start with.
What is the Associative Property of Multiplication?
Changing the grouping of factors does not change the product.
10x5 =
50
What place value is the 2 in 271
hundreds
When Mary was 8 years old, her sister, Emma, was half her age. If Mary is 30 years old today, how old is Emma?
15 years old
100-13=
87
There are 41 boys and some girls on the playground. There are 90 children altogether. How many girls are on the playground?
There are 49 girls on the playground.
What is MULTIPLICATION?
An operation that gives the total number of objects when you combine equal groups.
12x3 =
36
10 x 10 = ?
100
20 - 12 is greater than I am. 20 - 14 is less than I am. Which number am I?
7
7 dimes + 5 nickels = _____cents
95 cents
Daniel collects Pokémon cards. Cameron had 100 cards. He gave some of his cards to Daniel and now has 76 cards left. How many Pokémon cards did Cameron give to Daniel?
Cameron gave Daniel 24 Pokémon cards.
What is an ARRAY?
A group of objects arranged into rows and columns.
100x 2=
200
What is the worth of a dime, nickel, quarter, and penny?
Dime - $0.10
Nickel - $0.05
Quarter - $0.25
Penny - $0.01
If two’s company and three’s a crowd, what are four and five?
9