3. Complete the following in your copy. a) 2765 + 6852
d) Th H T U 5801
+ 2573
e) Th H T U 1970
+ 7767
f) Th H T U 6666
+ 1968
b) H T U 527
+ 462
c) H T U 607
+ 381
d) H T U 473
+ 526
e) H T U 291
+ 369
f) H T U 187
+ 686
b) 4867 + 1643
c) 6792 + 3527
4. Estimate each answer fi rst and then work out the exact answer. a) 389 + 96 =
d) 6687 + 1852 =
b) 846 + 725 = e) 3761 + 3721 =
d) 8787 + 96 c) 2630 + 3770 =
5.
a) How much do the laptop and the TV cost altogether? b) What is the total cost of a holiday and a new car? c) Find the total cost of a laptop and a new car. d) How much would a laptop, a TV and a holiday cost altogether?
Recap
• I can add big numbers together. • I know how to regroup when adding bigger numbers. • I know how to estimate before adding bigger numbers. • I can use a calculator to check my answers. • I can solve word problems involving bigger numbers.