Calculator Index Book 2

B1 Checking with the calculator Using division to check multiplication.

B1 Getting to Know Your Calculator Fractions to Decimals

B2 Divide by 10 Mental skills of division by 10

B2 Fractions on the Calculator Equivalent fractions

B2 Guessing Game Estimating Multiplication

B2 Multiplication Puzzle Mental estimation

B3 Multiplication Challenge Finding missing figures, estimation, deduction

B4 Odds and Evens Result of x odd or even?

B4 Quick Mental Addition Estimation, rounding off to get answers mentally