Number Ninja
45 + 27
72
Find the next number:
3, 6, 9, 12, ___
15
Sam has more marbles than Leo.
Leo has more marbles than Ava.
Who has the most marbles?
Sam
A square has side length 4.
What is its perimeter?
16
There are 5 baskets with 6 apples in each basket.
How many apples are there total?
30 apples
What is the product of 6 and 8?
48
Find the next number:
5, 10, 20, 40, ___
80
Three friends share 18 cookies equally.
How many cookies does each get?
6 cookies each
A rectangle has length 8 and width 3.
What is its area?
24
Lena buys 3 notebooks that cost $4 each.
How much does she spend?
What number makes this true?
5 x ___ + 10 = 35
5
Find the missing number:
4, 7, 11, 16, ___
22
A number is doubled and then 6 is added.
The result is 20.
What was the original number?
7
A triangle has angles 40° and 60°.
What is the measure of the third angle?
80 degrees
A bus holds 24 students.
72 students are going on a field trip.
How many buses are needed?
3 buses
What is 36 x 12?
432
A pattern grows like this:
2 squares > 5 squares > 8 squares
How many squares will be in Step 6?
17 squares
Three students have 30 stickers total.
Ben has twice as many as Mia.
Zoe has 6 more than Mia.
How many stickers does Mia have?
6 stickers
Mia = 6
Ben = 12
Zoe = 12
A rectangle has perimeter 30.
Its length is 9.
What is its width?
6
Perimeter = 30
2(L + W) = 30
L + W = 15
9 + W = 15
A ribbon is 48 inches long.
It is cut into pieces that are 6 inches long.
How many pieces are made?
8 pieces
Find the product of 112 and 45.
5,040
A pattern follows this rule: Multiply by 2 then subtract 1
If the first number is 4, what is the 5th number?
49
4 > 7 > 13 > 25 > 49
Four students line up: Ava, Ben, Cara, and Diego.
Ava is not first.
Ben is ahead of Cara.
Diego is last.
Who is first?
Ben
Order: Ben, Ava, Cara, Diego
A rectangle has area 48 square units.
Its length is 12.
What is the width?
4
A store sells pencils in packs of 8.
A teacher needs 45 pencils for her class.
What is the least number of packs she must buy?
6 packs