Using the commutative and associative properties of whole numbers:
a. Find the sum :
(i) `744+914+256`
ii. `389+264+211+336`
iii. `98+77+2+103`

Using the commutative and associative properties of whole numbers: Find the product I 25xx7654xx8 ii. 8xx2465xx625 iii. 45xx112

Find the sum using the commutative and associative property of addition: 19875+275+174

Find the sum using the commutative and associative property of addition: 199+343+217+101

Find the sum using the commutative and associative property of addition: 2012+176+244+308

Which of the following statements are true and which are false? The sum of two odd numbers is an odd number. The sum of two odd numbers is an even number. The sum of two even numbers is an even number. The sum of two even numbers is an odd number. The sum of an even number and an odd number is an odd number. The sum of an odd number and an odd number is an even number Every whole number is a natural number. Every whole number is a whole number. There is a whole number which when added to a whole number, gives that number. There is a natural number which when added to a natural number, gives that number. Commutativity and associativity are properties of whole numbers Commutativity and associativity are properties of addition of whole numbers.

Using column method find the cubes of the following natural numbers. (I) 42 (ii) 45 (iii) 87

Using commutativity and associativity of addition of rational numbers, express each of the following as a rational number: 2/5+7/3+(-4)/5+(-1)/3 (ii) 3/7+(-4)/9+(-11)/7+7/9

Draw hops on a number line to show the addition statement and find the sum : i. 5 + 8 ii. 2 + (-4) iii. -2 + (-5) iv. -3 - (-4)

Using commutativity and associativity of addition of rational numbers, express each of the following as a rational number: 2/5+8/3+(-11)/(15)+4/5+(-2)/3 (ii) 4/7+\ 0+(-8)/9+(-13)/7+(17)/(21)

Find the reciprocal of each of the following fractions. Classify the reciprocals as proper fractions, improper fractions and whole numbers. (i) 3/7 (ii) 5/8 (iii) 9/7 (iv) 6/5 (v) 12/7 (vi) 1/8 (vii) 1/11