1.1 BASIC ADDITION AND SUBTRACTION

Helpfulness: +1
Set Details Share
created 9 years ago by jncanf
1,061 views
Chapter 1: Mathematics Members of the health professions use math every day to calculate medication dosages, radiation limits, nutritional needs, mental status, intravenous drip rates, intake and output, and a host of other requirements related to their clients. Safe and effective care is the goal of all who work in the health professions. Therefore it is essential that students entering the health professions be able to understand and make calculations using whole number, fractions, decimals
updated 9 years ago by jncanf
Grade levels:
College: First year, College: Second year, College: Third year, College: Fourth year
show moreless
Page to share:
Embed this setcancel
COPY
code changes based on your size selection
Size:
X
Show:
1

VOCABULARY:

A NUMERAL (E.G. THE NUMBER 7) IS A?

DIGIT

2

VOCABULARY:

EACH DIGIT IN A NUMBER OCCUPIES A POSITION, THAT POSITION IS CALLED?

PLACE VALUE

3

HESI HINTS:

A. 1 TEN =
B. 1 HUNDRED =
C. 1 THOUSAND =

A. 10 ONES
B. 100 ONES
C. 1000 ONES

4

BASIC ADDITION:

EXAMPLE: 462 + 133 =

STEPS:
1. LINE UP THE DIGITS ACCORDING TO PLACE VALUE.
2. ADD THE DIGITS STARTING FROM RIGHT TO LEFT:
*ONES: 2+3=5
*TENS: 6+3=9
*HUNDREDS: 4+1=5

ANSWER: 595

5

ADDITION WITH REGROUPING:

EXAMPLE: 835 + 559 =

STEPS:
1. LINE UP THE DIGITS ACCORDING TO PLACE VALUE.
2. ADD:
*ONES: 5+9=14
*TENS: 1+3+5=9
*HUNDREDS: 8+5=13

ANSWER: 1,394

6

BASIC SUBTRACTION:

EXAMPLE: 5,234 - 4,112 =

STEPS:
1. LINE UP THE DIGITS ACCORDING TO PLACE VALUE.
2. SUBTRACT:
*ONES: 4-2=2
*TENS: 3-1=2
*HUNDREDS: 2-1=1
*THOUSANDS: 5-4=1

ANSWER: 1,122

7

SUBTRACTION WITH REGROUPING:

EXAMPLE: 457 - 29 =

STEPS:
1. ALIGN THE DIGITS ACCORDING TO PLACE VALUE.
2. SUBTRACT:
*ONES: 7-9
**MUST BORROW 1 FROM THE 5 IN THE TENS PLACE: 17 - 9 = 8
*TENS: 4-2=2
*HUNDREDS: 4-0=4

ANSWER: 428

8

PRACTICE:

1,803 + 156 =

1,959

9

PRACTICE:

835 + 145 =

980

10

PRACTICE:

1,372 + 139 =

1,511

11

PRACTICE:

123 + 54 + 23 =

200

12

PRACTICE:

673 - 241 =

432

13

PRACTICE:

547 - 88 =

459

14

PRACTICE:

222 - 114 =

108

15

PRACTICE:

12,478 - 467 =

12,011

16

PRACTICE:

JEFF WALKS 5 MILES WEST THEN TURNS NORTH AND WALKS 8 MILES. HOW FAR HAS JEFF WALKED?

13

17

PRACTICE:

JULIE PICKS 26 TOMATOES FROM THE TOMATO PLANTS IN HER GARDEN. SHE GIVES SEVEN TOMATOES TO HER NEXT DOOR NEIGHBOR. HOW MANY TOMATOES DOES SHE HAVE NOW?

19