Grade 4 Maths Memo June 2022

1 TOM NEWBY SCHOOL MATHS GRADE 4 JUNE 2022 MEMORANDUM QUESTION ANSWER MARK LEVEL 1 Mental Maths 1.1 700  1 1/2 (10) 1.2 9 019 1 1.3 6 1 1.4 4 505 1 1.5 8 000 1 1.6 8 502 1 1.7 10 504 1 1.8 21 ; 28 ; 35 1 1.9 5 301 1 1.10 440 1 2 Number 2.1 4 305 ; 5 305 8 1 patterns 2.2 4 920 ; 4 900 (16 ÷2) 2.3 7 750 ; 7 800 2.4 2 005 ; 1 805 2.5 8 000 ; 8 025 ; 8 100 2.6 2 000 ; 2 004 2.7 9 012 ; 9 009 2.8 The rule is add eleven 3 Round off 3.1 a) 2 790 3 1 b) 2 800 c) 3 000 3.2 490 + 230 ≈ 720 4 Calculate 4.1 3 195 14 3 +4 546 7 741 4.2 6 050 - 2 415 3 635 4.3 24 or (20 +4) x 5 x5 = (20 x 5 ) + (4 x 5 ) 120 = 100 + 20 = 120  4.4 13 r 2 

2 4 54 or (50 ÷ 4) + ( 4 ÷ 4) = 12 + 1 r 2 = 13 r 2 4.5 45 x 19 45 360 50 + 400 855 4.6 51 r 2 7 359 – 35 009 - 7  2 5 Complete the 30 6 3 2 flow chart 3 90 150 30 6 More patterns 6.1 9 14 20 27 4 2 6.2 underline number c  6.3  7 Problem 7.1 R4 000 – R 1 904 = R 6 3 Solving R 4 000 -1 904 R 2 096  7.2 6 x 240 m = m or 240 + 240 + 240 + 240 + 240 + 240 = g 240 x 6 1 440m TOTAL: 50