Percentage without a calculator 10% 10%, 20 %, 30% …. 90% 25%, 50% or 75% 33 ⅓ % and 66 ⅔ % 5% 15%, 25%, 35% etc Mixture.

Slides:



Advertisements
Similar presentations
Test practice Multiplication. Multiplication 9x2.
Advertisements

1 Conversions Press Ctrl-A ©2009 – Not to be sold/Free to use Stage 4 -Year 7.
Calcul mental multiplications et divisions par multiplications par 0,1 0,01 0,001...
Calcul mental. Calcul n°1 2 x 7 = Calcul n°2 3x 7 =
Whiteboardmaths.com © 2004 All rights reserved
PERCENT COMPOSITION. WHAT IS PERCENT COMPOSITION BY MASS? a quantitative measure of what a compound or mixture is made of it tells us how much of each.
Multiplication by multiples of 10 and 100 Objective to multiply numbers when 0’s are involved.
PERCENTAGES How to find: 20% of 80 15% of 400 7% of 9.
A Multiplication Algorithm
Lattice multiplication (327 x 28)
Calculating Percentages using a Calculator © T Madas.
Objective: To find percentages of quantities without a Lesley Hall Percentages £60 50%25%10% 20% 5%15%30%75% £30£15£6 £12 £3£9 £18.
Percentages What are Percentages?. Percentages are measures out of a 100 Percentages.
 decimals/cc-7th-fracs-to-decimals/v/converting-fractions-to-decimals-example.
Number and algebra Shape, space and measures Handling data.
Objectives To understand the concept of limiting reactants
Primary Maths Calculation Strategies. Addition
Multiplication Facts. 9 6 x 4 = 24 5 x 9 = 45 9 x 6 = 54.
ORDER OF OPERATIONS.
Multiplication Facts. 2x2 4 8x2 16 4x2 8 3x3.
Multiplication Facts Review: x 1 = 1 10 x 8 =
© Hamilton Trust Keeping Up Term 3 Week 1 Day 3 Objective: Use rounding to estimate answers to calculations.
CFU Perform operations with numbers in scientific notation (multiply, divide, powers). SPI Multiply, divide, and square numbers expressed.
PERCENT COMPOSITION. WHAT IS PERCENT COMPOSITION BY MASS? a quantitative measure of what a compound or mixture is made of it tells us how much of each.
Multiplication Find the missing value x __ = 32.
LO: I can multiply using the Grid Method. Please note that this is for 3 Digit Numbers but it still shows how this works. Yr 5’s target is to multiply.
Multiplication Facts All Facts. 0 x 1 2 x 1 10 x 5.
Expanded Short multiplication How it should look (for 45 X 6)
Multiplication Facts.
Percentages of Quantities
© T Madas.
Multiplication table. x
Counting in 7s
Multiplication Facts.
Whiteboardmaths.com © 2004 All rights reserved
Round to the nearest 100.
Partial Products Algorithm for Multiplication
Multiplication and Division by Powers of Ten
Is it convenient to write What about
Multiplication 2.
© T Madas.
Partial Quotients Help Students build on multiplies of ten and find easy multiples of the divisor.
75 Has 7 in the tens place Odd Number Less than 100
23 ×
A graphing calculator is required for some problems or parts of problems 2000.
Multiplication Facts.
Partial Quotients Help Students build on multiplies of ten and find easy multiples of the divisor.
Percentages: Calculating Percentage Change
Unit 3 Review (Calculator)
Math Created by Educational Technology Network
Practice before a Percentage Change on finding the amount using a
Percentage increase and decrease
Write the number that is half way between these 2 numbers.
Making Tens.
LO: TBAT calculate a percentage of an amount using a calculator
Creating a Multiplication Square
□=3 10-□=6 10-□=4 10-□=9 10-□=10 10-□=5 10-□=
Year 2 Summer Term Week 9 Lesson 5
Making Tens.
12 Has 1 in the tens place Even Number Less than 20
ORDER OF OPERATIONS.
Counting to 100 Counting by ones
Percentages: Reverse Percentages
Calculate 9 x 81 = x 3 3 x 3 x 3 x 3 3 x 3 x 3 x 3 x 3 x 3 x =
MULTIPLICATION.
Percentage Practice © T Madas.
Multiplication Differentiated Practice Worksheet
Year 2 Summer Term Week 3 Lesson 2
Presenter Name(s) National Student Loan Cohort Default Rates
Year 2 Summer Term Week 3 Lesson 2
Presentation transcript:

Percentage without a calculator 10% 10%, 20 %, 30% …. 90% 25%, 50% or 75% 33 ⅓ % and 66 ⅔ % 5% 15%, 25%, 35% etc Mixture

C. ÷x 0 + On ² - Ans = √ (-) S Ten % 10% of 54 (a) 10% of 1.08 (b) 10% of 804 (c) 10% of 701 (d) 10% of 910 (e) 10% of 125 (f) 10% of 30 (g) 10% of 949 (h) 10% of 27 (i) 10% of 2.53 ⅓ ⅔ (j) 10% of 216 (k) 10% of 3.05 (l) 10% of 39 (m) 10% of 4.29 (n) 10% of 2.14 (o) 10% of 7.56 (p) 10% of 9.38 (q) 10% of 42 (r) A

C. ÷x 0 + On ² - Ans = √ (-) S Multiple 10% 30% of 934 (a) 80% of 710 (b) 90% of 4.53 (c) 20% of 816 (d) 60% of 958 (e) 40% of 9 (f) 70% of 45 (g) 60% of 119 (h) 30% of 8.44 (i) 90% of 940 ⅓ ⅔ (j) 70% of 6.32 (k) 80% of 3.14 (l) 20% of 48 (m) 40% of 837 (n) 30% of 749 (o) 40% of 2.35 (p) 80% of 328 (q) 20% of 24 (r) A

C. ÷x 0 + On ² - Ans = √ (-) S 25%, 50% and 75% 25% of 60 (a) 75% of 32 (b) 50% of 124 (c) 75% of 68 (d) 25% of 24 (e) 75% of 200 (f) 25% of 120 (g) 50% of 100 (h) 25% of 36 (i) 75% of 92 ⅓ ⅔ (j) 75% of 56 (k) 50% of 232 (l) 75% of 128 (m) 50% of 112 (n) 25% of 156 (o) 25% of 180 (p) 50% of 148 (q) 25% of 72 (r) A

C. ÷x 0 + On ² - Ans = √ (-) S 33 ⅓ and 66 ⅔ 66 ⅔ % of 75 (a) 66 ⅔ % of 123 (b) 66 ⅔ % of 45 (c) 66 ⅔ % of 153 (d) 66 ⅔ % of 27 (e) 66 ⅔ % of 39 (f) 66 ⅔ % of 159 (g) 33 ⅓ % of 78 (h) 33 ⅓ % of 66 (i) 66 ⅔ % of 99 ⅓ ⅔ (j) 33 ⅓ % of 96 (k) 33 ⅓ % of 150 (l) 33 ⅓ % of 174 (m) 33 ⅓ % of 162 (n) 33 ⅓ % of 18 (o) 66 ⅔ % of 87 (p) 66 ⅔ % of 51 (q) 33 ⅓ % of 84 (r) A

C. ÷x 0 + On ² - Ans = √ (-) S 5% 5% of 520 (a) 5% of 744 (b) 5% of 300 (c) 5% of 726 (d) 5% of 698 (e) 5% of 538 (f) 5% of 156 (g) 5% of 450 (h) 5% of 42 (i) 5% of 300 ⅓ ⅔ (j) 5% of 78 (k) 5% of 260 (l) 5% of 614 (m) 5% of 530 (n) 5% of 804 (o) 5% of 968 (p) 5% of 400 (q) 5% of 762 (r) A

C. ÷x 0 + On ² - Ans = √ (-) S Multiple of 5% 15% of 60 (a) 15% of 200 (b) 15% of 210 (c) 15% of 414 (d) 15% of 240 (e) 15% of 114 (f) 65% of 562 (g) 65% of 12 (h) 55% of 90 (i) 55% of 280 ⅓ ⅔ (j) 45% of 744 (k) 45% of 150 (l) 55% of 450 (m) 35% of 170 (n) 85% of 356 (o) 55% of 84 (p) 55% of 370 (q) 85% of 120 (r) A

C. ÷x 0 + On ² - Ans = √ (-) S 1 % to 9% 9% of 27 (a) 6% of 4.26 (b) 2% of 2.59 (c) 6% of 42 (d) 7% of 231 (e) 3% of 222 (f) 4% of 24 (g) 2% of 9 (h) 6% of 310 (i) 3% of 3.14 ⅓ ⅔ (j) 8% of 728 (k) 2% of 140 (l) 4% of 12 (m) 7% of 837 (n) 8% of 4.5 (o) 4% of 746 (p) 9% of 213 (q) 9% of 419 (r) A

C. ÷x 0 + On ² - Ans = √ (-) S Mixture 75% of 212 (a) 5% of 90 (b) 3% of 910 (c) 30% of 119 (d) 25% of 132 (e) 15% of 844 (f) 33 ⅓ % of 90 (g) 55% of 480 (h) 40% of 713 (i) 5% of 604 ⅓ ⅔ (j) 85% of 100 (k) 10% of 27 (l) 6% of 3 (m) 33 ⅓ % of 6 (n) 8% of 5.5 (o) 60% of 39 (p) 50% of 148 (q) 10% of 12 (r) A

C. ÷ x 0 + On ² - Ans = √ (-) Test C. ÷x 0 + On ² - Ans = √ (-) S

r = 10 ; s = 26 r = 13 ; s = 85 r = 11 ; s = 61 r = 16 ; s = 65 r = 5 ; s = 13 = = = = = r = 6 ; s = 10 r = 15 ; s = 113 = = (a) (b) (c) (d) (e) (f) (g) V= Next