Name: ______________________
Date: _______________________
Tindley Preparatory Academy
Summer School Math – Grade 7/8
Lesson 1: Number Sense
24 CHALLENGES
Make the number 24 using the four numbers given. You can add, subtract, multiply and divide. Use all four
numbers, but use each number only once. There is at least one solution to every set of numbers.
ALGEBRA 24 CHALLENGES
Find a value for x and/or y (any whole number from 1 to 9) which, when used with the other numbers on the card,
can make 24. You can add, subtract, multiply and divide. Use all four numbers, but use each number only once.
1
9
y+7
5
2
7
3
8
Example:
y=1
1+7=8, 8+3=11
5+8=13, 13+11=24
Example:
2*9 = 18
7-1 = 6
18 + 6 = 24
7
8
2y-y
2
8
5
3
1
1
NUMBERS
The greater of two numbers is twice the less, and the sum
of the numbers is 129. What are the numbers?
2
3
Number Sense
Comparing Numbers
-----------------------------------------
Write the numbers in ascending order.
1)
0, −√2, √5,
13
4
4
Write the numbers in ascending order.
3
1) 3, √10, 4 , −1.5
3
3
2) 2, − 7 , 0.75, − 2
3) Which list shows the numbers in increasing order?
A) -0.5, 1.5, -2, -0.75, √7
B) -0.5, -2, -0.75, 1.5, √7
C)-2, -0.75, -0.5, 1.5, √7
D) √7, 1.5, −0.5, −0.75, −2
𝟕
4) Graph the numbers -0.2, 𝟏𝟎 , −𝟏, √𝟐, 𝒂𝒏𝒅 − 𝟒 on a number line.
5
Comparing Numbers Again…
Order from Least to Greatest
1
ANSWER
2
ANSWER
3
ANSWER
4
ANSWER
5
ANSWER
6
ANSWER
6
7
The Four Numbers Game
Example of How to Play
Round 1
Round 2
Puzzle 1
Round 3
Puzzle 2
Puzzle 3
8
9
More Comparing Numbers
10
Problem Solving…
11
I got through this early…..Yay!
3(y-2)+6
2
3
9
2(x+y)
4
7
3
x2-8
4
3
1
4
9
6(3y-x)
Learning Recap Journal
12
6
13
14
WEEK 1: Grade 7/8
Daily Quiz: Number Sense 01
Name:________________________________
Order the following numbers from least to greatest.
Answer:_______________________
15